Out of one's mind, insane, lunatic: = mad, adj. 3.

mad.

Mad, insane, foolish, stupid. Obsolete.

The understanding or mental faculties in respect of their condition; chiefly = ‘right mind’, ‘reason’… singular: esp. in phrases in (one's right) wit…

Mentally deficient or deranged; out of one's wits, crazy, lunatic. †Also, stupefied, dazed.

Considered diseased in the brain or mind; mad; irrational; foolish.

Demented, distracted; mad.

Originally, affected with the kind of insanity that was supposed to have recurring periods dependent on the changes of the moon. In modern use…

Of a person: insane, crazy; mentally unbalanced or deranged; subject to delusions or hallucinations; (in later use esp.) psychotic.

Mentally affected or weak. Also: morbid, enjoying sick humour (see sense A. 7f). Now rare.

Frenzied in the brain or mind; mad.

out of one's mind (also †out of mind) and variants: having lost control of one's mental faculties; insane, deranged, delirious. Now also in…

Of a person: delirious; mentally deranged; insane, crazy; = frantic, adj. 1. Obsolete.

Mad, deranged; deficient in understanding or intellect. Also: dazed, confused. Now English regional (northern and north-east midlands).

Driven mad, frantic.

Out of one's senses; mad. Obsolete. rare.

Furious, mad.

Of unsound mind. rare.

Of a person, the mind, etc.: deranged. Cf. alienated, adj. 2.

Insane, mad; diseased or impaired in mind. Obsolete.

distract of one's wits, etc.: cf. distract, v. 6b. Obsolete.

Mad; full of or causing distress.

Mad, insane. Obsolete except in Scots Law.

Deranged in mind; crazy, mad, insane. archaic.

fro oneself: ‘beside oneself’, out of one's wits. clean fro: quite contrary to. (Cf. from, prep. 8b.)

figurative senses from 4. Out of a mental state or condition, as beside one's patience, beside one's gravity, beside one's wits; now only in beside on…

figurative senses from 4. Out of a mental state or condition, as beside one's patience, beside one's gravity, beside one's wits; now only in beside on…

= demented, adj.

Stark mad, completely mad; raving, wild with passion, distracted; crazy. Also red-wood mad.

= distraught, adj. Const. from, of.

Having a bad or defective mind or attitude. (In quot. 1509: spec. contrary, perverse.)

Beside oneself; out of one's senses; mad. Obsolete.

Nouns, as Bedlam beggar (cf. 5), bedlam-house, bedlam-man; adjs., as bedlam-mad, bedlam-ripe, bedlam-witted.

Distraught, out of one's mind. Also, bereft of (one's wits, mind).

Of an action or speech: Such as might result from possession by a deity or demon; frantic, furious. Of a person: Frenzied, mad. Obs.

attributive, passing into adj. Of, belonging to, or fit for Bedlam or a madhouse; mad, foolish.

Of unsound mind, crazy, insane, mad.

Not mentally sound or normal; not sane.

To the fullest extent or degree; absolutely, utterly, completely. Cf. sense A. 6. Modifying a participial adjective, esp. staring, raving. Now…

= distracted, adj.

Of persons: Not of sound mind, mad, mentally deranged. Also of the mind: Unsound.

Mentally affected; crazed. †Formerly also: exasperated.

past oneself: beside oneself; out of one's mind. English regional (northern) and Irish English (northern) in later use.

Mad, insane, crazy. Obsolete.

mad-brained.

out of one's senses: out of one's right mind; in such a state that one cannot think or act sanely, normally, or sensibly. Frequently in to frighten…

Made mad; deprived of reason; excited to frenzy, enraged. (In later use poetic only.)

Delirious; frenzied; mentally deranged, insane; fanatical.

Disordered, diseased, affected with a distemper. Mentally disordered, insane. Of persons (obsolete or arch.); their brain, mind, fancy, feelings…

Driven to madness; mentally deranged; crazy: = distracted, adj. 5.

Mentally impaired or deranged; insane; = crazy, adj. 4. Cf. cracked, adj.

bereft of one's wits, crazed.

Off one's head, out of one's wits; distracted, delirious.

Of or pertaining to frenzy; visionary.

past participle. Distracted, taken out of one's wits; cf. extraught, adj. 2, extracting, adj.

Mad; foolish, silly; confused.

Deranged in mind; out of one's wits; crazed, mad, insane. Now rare in literal sense, except in such expressions as ‘like one distracted’.

Perhaps: disordered in mind. Obsolete. rare. Cf. formal, adj. 4c.

spec. Very intoxicated by drink or (later) drugs. Also with in, on.

Of unsound mind; insane, mad, demented, ‘cracked’. Often used by way of exaggeration in sense: Distracted or ‘mad’ with excitement, vehement…

= as mad as a March hare at hare, n. 1b.

Not compos mentis; of unsound mind.

Mentally unbalanced, esp. through intense emotion; behaving irrationally; beside oneself with anger, grief, anxiety, excitement, infatuation…

Having the brain cracked or crazy, crazy-pated, impaired in intellect.

Liable to raptures, ecstatic, frantic, mad.

= demented, adj.

= demented, adj.

Out of his senses.

Nouns, as Bedlam beggar (cf. 5), bedlam-house, bedlam-man; adjs., as bedlam-mad, bedlam-ripe, bedlam-witted.

Frenzied, mad. Obsolete.

Characterized by madness.

= non compos mentis, adj.

figurative senses from 4. Out of a mental state or condition, as beside one's patience, beside one's gravity, beside one's wits; now only in beside on…

Crazy, mad.

frenzied.

colloquial. out of one's head: = out of one's mind at mind, n.1 20c.

Made or driven mad, angered; irritated, annoyed.

Of a person: (originally) having eyes pointing in different directions; having eyes which are rotating wildly. Hence: having a crazed or…

Of persons, etc.. Not normal or sound in the senses, etc.; not sane.

Sick in the mind, deranged, mentally disturbed.

That is in a state of dementia or imbecility; idiotic. Now rare except in Scots Law.

Disordered in mind; insane.

Of the mind, faculties, etc.: unbalanced, deranged. Now rare.

of unsound mind, crazy, crack-brained.

= crack-brained, adj., crazy.

Of weak or disordered intellect, crazy, light-headed. Also absol.

Crazed, daft, mad.

Impaired in intellect or awareness; confused, stupefied. Also: characterized by a decline in mental (or physical) faculties, esp. in old age.

Apparently: = frenetic, adj. 1a.

Lunatic; mad.

Having or manifesting a mad brain; hot-headed, uncontrolled, scatterbrained. Also figurative.

Disordered in mind like one about to die; possessing or displaying magical, fairylike, or unearthly qualities. Now frequently used ironically, in…

Like a bedlamite; mad; foolish.

(See quot. 1825 and cf. skire, adv.)

figurative senses from 4. Out of a mental state or condition, as beside one's patience, beside one's gravity, beside one's wits; now only in beside on…

as mad as a hatter

past participle. Made crazy, distracted. (= crazed, adj. 3 5.)

colloquial. off one's head: out of one's mind or wits, deranged, crazy; (in later use also) intoxicated, esp. by drugs (cf. off one's face at face, n.…

Mad, insane, crazy; off one's head. Frequently in to go loco.

colloquial. off one's nut: out of one's mind, insane, crazy (see also quot. 1860).

Jocosely applied to the head. off his chump (vulgar): ‘off his head’, out of his senses.

Lacking sanity. rare.

Esp. in Jewish usage: mad, crazy; stupid.

gen. Not sane, insane.

Lunatic, crazed, daft, dazed, demented, foolish, silly.

slang. The head; esp. in off one's onion: unwell (rare); mad, crazy.

off one's base: wildly mistaken, crazy, mad; cf. off base, adv. adj.

colloquial and regional (originally and chiefly British). (to go) off one's dot: (to go) out of one's mind; (to go) crazy.

U.S. regional (chiefly western). Mad, insane, crazy; = loco, adj.

colloquial (originally U.S.). Insane, crazy; eccentric; ridiculous.

slang. off one's rocker: crazy, mad.

slang. The head; esp. in balmyor barmy on (or in) the crumpet: wrong in the head, mad: see balmy, adj. 7, barmy, adj. 2b.

Esp. in Jewish usage: mad, crazy; = meshuga, adj. Also in extended use.

colloquial (originally U.S.). Deranged, not right in the head; crazy; mad, insane. Also in weakened sense: eccentric; wildly enthusiastic or…

colloquial (originally and chiefly U.S.). Irrational; mentally disturbed; mad, insane, crazy. Cf. bugs, adj. 1.

Originally and chiefly U.S. Insane, mad; (in weakened sense) crazy, wild, out of control.

Australian and New Zealand slang. The head. Only in off one's pannikin: out of one's wits, crazy. Now rare.

Australian colloquial. Mad, mentally deranged; eccentric; silly; (also) with over (also on, about): infatuated with.

In figurative phrase off one's trolley, crazy. Cf. rocker, n.1 phrases. slang.

= batty, adj.; dotty.

Of a person: neurotic, emotionally unbalanced; perverted. Also transferred and with up.

Colloquial phrase (to have) bats in the belfry: (to be) crazy or eccentric. Similarly (rare) to take the bats. Hence bats = batty, adj., used esp…

‘Balmy’, ‘dotty’. (Cf. bat, n.1 b) colloquial or slang.

Mad, insane, crazy. Also const. about, over, in love (with). Also absol.

Insane, mad, crazy; out of control. Often in to go bugs.

Mad, crazy, insane. Also (and in earliest use) to go dingy on: to be infatuated or in love with.

Crazy; at one's wits' end.

colloquial (originally U.S.). Mad, crazy, stupid, eccentric. Cf. sense A. 7a and compounds at compounds 1a.

Originally U.S. Mad (in various senses); esp. crazy, deranged, ‘off one's head’. Also in weakened sense: eccentric; wildly enthusiastic (about…

colloquial (originally U.S.). In similative expressions intended to suggest extreme eccentricity or insanity; esp. in nutty as a fruitcake and…

slang (originally and chiefly U.S.). Of a person: insane, irrational, mentally disturbed. Also, of a situation, event, etc.: strange, disturbing…

Crazy, mad; out of one's mind; eccentric, ‘dotty’.

Crazy, out of one's wits.

Mad, insane; crazy, eccentric; = nutty, adj. 3b.

Exhausted, in a state of collapse; (also) wildly drunk.

Mad. (? originally U.S.)

Deranged; crazy; psychopathic.

In full doolally tap. Characterized by an unbalanced state of mind.

slang. off one's rocket: crazy, mad; = off one's rocker at rocker, n.1 phrases.

Military. Mentally unbalanced, crazy. Cf. slightly earlier puggled, adj. Now rare.

colloquial. Mentally ill; mentally disabled. Also in weakened sense: irrational, uncontrolled, eccentric, crazy.

Mad, crazy. Obsolete. rare.

In predicative use: crazy, mad; infatuated.

Inclined to rush this way and that, unpredictable. Of a person: demented, crazy; jumpy, nervy.

over the edge: insane.

round the bend: crazy, insane. colloquial.

(Also used in full form, Lakes of Killarney). Mad, crazy. Occasionally as n., a mad person.

Originally: silly, foolish. Later: insane, crazy. Cf. sense B. 2.

Crazy, mad; odd, peculiar. Of persons.

colloquial. Crazy, insane; eccentric.

Crazy, absurd, eccentric; stupid, foolish. Cf. dingbat, n. 3, dingbat, adj.

U.S. Military slang. Crazy, mad, insane. Originally and chiefly in to go Asiatic. Now dated or historical.

Extremely intoxicated; (hence also) incapable of effective action; demented, crazy. See paralytic, adj. 2c.

Mentally disturbed from exposure to a tropical climate (originally on war service); hence: crazy, mad. Frequently in to go troppo.

As part of a river or river-system. up the creek: (a) in a tight corner, in trouble; spec. pregnant; (b) crazy, eccentric. slang.

colloquial (originally U.S.). Of a person: in trouble. Also (now chiefly): exhibiting or characterized by emotional or psychological instability…

colloquial. Of a person: mad, crazy, insane. Chiefly in predicative use.

colloquial. = mental, adj.1 6.

out to lunch: insane; stupid, unaware; socially unacceptable. North American slang.

Completely mad; = stark mad at stark, adv. 2a. Cf. also stark, adv. 2b.

The head. In off (one's) squiff = off one's head at head, n.1 phrases 1h.

figurative. round the twist: = round the bend at bend, n.4 10c. slang.

Mad, crazy; daft, stupid.

U.S. slang. out of (also off) one's bird: out of one's mind; unable to think or act rationally or sensibly; crazy, insane. Also: (so as to be)…

slang. out of one's skull, out of one's mind, crazy. Also succeeding past participle, as bored out of one's skull, beside oneself with boredom, bored…

whacked out: mad, crazy; spec. intoxicated with drugs. Cf. wacky, adj. U.S.

Crazy, mad, insane. Cf. bats at bat, n.1 b.

Designating a person or group holding beliefs or following practices regarded as unscientific, irrational, or outlandish, esp. ones relating to…

Mad, crazy; (in weakened sense) eccentric, unconventional, wild; (also) extremely enthusiastic.

U.S. slang. The head or mind; now frequently in out of (one's) gourd.

Crazy, mad; eccentric.

off one's meds: incapable of rational thought or behaviour; insane, deranged, delirious.