Synonyms for Abrupt:
short, matter of fact.
compact, incisive, short and sweet, to the point, brief, concise, brusque, short, terse, succinct, curt, blunt.
rapid, darting, urgent, flying, galloping, pelting, speedy, dashing, running, fleet, hasty, hurried, brisk, swift, rushing, quick, fast, bustling, impatient, breathless, breakneck, feverish.
improvised, rash, spontaneous, hasty, ill-considered, impulsive, impromptu, reflexive, unrehearsed, unpremeditated, instantaneous, extemporaneous.
authoritarian, rigid, uncompromising, keen, grim, fundamental, acerbic, oppressive, icy, censorious, sharp, acute, cutting, unbending, spare, critical, intolerant, demanding, dry, precise, caustic, lean, acrimonious, bleak, brisk, crisp, disciplined, spartan, stiff-necked, blunt, stern, exacting, chilly, inflexible, harsh, gruff, austere, prudish, basic, puritanical, astringent, piquant, ascetic, severe, draconian, brusque, cool, stringent, dour, imperial, short, relentless, strait-laced, hidebound, tart, curt, rigorous, strict, obdurate, raw, obstinate, meticulous, stark, correct, intense, frosty.
sudden, unexpected, quick, instantaneous, precipitous, hasty, immediate.
•very fast (adjective)
n.surprise. crusty, Short-spoken, attitude. •abrupt (noun)
precipitous, sharp, sudden, steep, discourteous, staccato, disconnected.