scalding

blazing, glowing, seething, sizzling

heated, overheated, reheated, warmed

snug, toasty, warm, warmish

feverish, flushed, inflamed (also enflamed)

muggy, steamy, summerlike, summery, tropical

brisk, cross, sharp-tongued, sour, sourish, spiky (also spikey), tartish

incisive, keen, poignant, trenchant

cynical, dry, ironic (also ironical), wry

facetious, flippant, tongue-in-cheek

acrimonious, bitter, resentful, vitriolic

harsh, rough, severe, stringent

abrupt, blunt, brusque (also brusk), concise, crisp, curt, gruff, pithy, snippety, snippy, succinct, terse

backhanded, insincere