Straightforward, just; straight, direct. Obsolete.

Of a person: open in behaviour; free from duplicity or reserve; candid, frank (with another person); outspoken, blunt. Now somewhat archaic.

Having a free heart, in various senses; frank, open, unreserved; not burdened with anxiety, guilt, or suspicion; acting on the spontaneous impulse…

Of behaviour, attitude, etc.: open, honest; spec. (of speech) plain, clear, straightforward. Cf. square, adj. 10c 11d. Now rare.

Of a person: not given to concealing thoughts or feelings; free in conversation; unreserved, frank, candid. Of a person's appearance, manner, etc…

Characterized by the absence of all dissimulation or pretence; honest, straightforward. Of persons, their character, etc.

Not practising concealment; ingenuous, open, sincere. Of feelings: Undisguised.

Of open countenance; unreserved, approachable. Obsolete.

Possessed of a single or sincere heart; straightforward, honest, sincere; simple-hearted.

Sincere in mind or spirit; honest, straightforward; simple-minded, ingenuous; single-hearted.

Straightforward in manner or conduct; upright, downright.

Given to communicating thoughts or feelings; unreserved, frank.

Not concealing thoughts or feelings, frank. Now rare.

figurative. Frank, open, candid, ingenuous.

Unreserved; not reticent. Obsolete. rare.

Not minced (in various senses); that has not been cut up or ground into very small pieces; (of speech, words, etc.) direct, unaffected, blunt.

Plain, matter-of-fact, direct. Of a person: straightforward, plain-speaking, frank, honest; (also) upright, honourable, sincere. Now rare.

Free from reserve or restraint in speech or behaviour; frank, candid; uninhibited.

Of a rough but strong or sturdy character.

Straightforward, uncomplicated.

figurative (colloquial or slang). On a good or sound footing; not troubled, worried, threatened, etc.; (hence occasionally) sound, reliable. In later…

transferred. Of persons, their actions and attributes: Characterized by rough mental vigour; robust in mind or character; ‘downright’, uncompromising.

Sincerely expressed; frank. Cf. to wear one's heart in one's mouth at heart, n. int.adv. phrases 5c. Obsolete. rare.

Fair, straightforward; genuine.

Of persons, their dispositions or conduct: Consistent, undeviating in purpose, single-minded. Also (now usually), free from duplicity or concealment…

With adjectives, as direct acting (see A. 6d), direct-dealing.

(un-, prefix1 affix 1. Cf. German undiplomatisch.)

simple, straightforward; spec. (originally U.S.) with reference to popular music, pure, unadorned.

simple, presenting no difficulties; also candid, straightforward.

Designating a type or style of communication held exclusively between men, esp. of an earnest or frank nature.