Of words, etc.: sharp, severe; cutting, acrimonious.

Apparently: (of words) sharp, unkind; = keen, adj. 5b. Obsolete. rare.

Of a person, his or her wit, a remark, etc.: having or showing a sharply critical quality; biting, caustic, incisive.

Severe, bitter; sharp or piercing; stinging or wounding to the feelings.

Hostile, conflicting, opposed, repugnant; (in early use also) able to oppose, vigorously resistant.

Of speech or writing: sharp, caustic. Obsolete.

Of people, their speech, etc.: sharp in tone, stinging, sarcastic. Obsolete.

That nips, inclined to nip (in various senses of nip, v.1).

That acutely wounds the mind or feelings.

Of speech or writing: characterized by mocking criticism; cutting. Also of a person: engaging in mocking criticism. Obsolete.

figurative. That causes sharp mental pain or irritation, poignant; that goads or stimulates. Of speech: Biting, pungent.

Penetrating, acute, incisive; piercing, trenchant, stinging, etc.

Forcefully or incisively expressed; (of argument, opinion, etc.) convincing, persuasive; sharply critical; (of censure) trenchant, biting.

figurative. ‘Biting’, pungent, corrosive. ? Obsolete.

Pointed, incisive; stinging. Chiefly figurative.

Caustic or sarcastic in tone; (of a comment, remark, etc.) biting, sharp, acerbic.

Of speech or thought: pointed, incisive, keen, pungent.

Of the nature of pepper; pungent. Obsolete. rare.

figurative. Of speech, writing, etc.: sharp, stinging, provocative, contentious.

figurative. Pithy, incisive, acute; trenchant, stinging. Cf. pointed, adj.1 5b, 5d. Now rare.

That lashes.