sensitive

1 able to sense slight impressions or differences a scale that is sensitive to the smallest change in weight Synonyms delicate, fine, keen, perceptive, quick, acute, sharpRelated Words accurate, clear, discerning, good, piercing, precise, receptive, sensible, subtle; hair-trigger, hyperacute, hypersensitive, oversensitive, supersensitiveNear Antonyms bad, deadened, dimmed, dull, dulled, fading; dead, imperceptive, insensible, insensitive, numb; imprecise, inaccurate

2 being in a situation where one is likely to meet with harm she's very sensitive to the sun and will burn if she's outside for any amount of time Synonyms endangered, exposed, open, liable, subject (to), susceptible, vulnerableRelated Words likely, prone; uncovered, undefended, unguarded, unprotected, unscreened, unsecuredNear Antonyms covered, guarded, protected, safeguarded, screened, secured, sheltered, shielded, wardedAntonyms insusceptible, invulnerable, unexposed, unsusceptible

3 easily injured without careful handling the sensitive skin of a newborn mouse Synonyms delicate, fragile, frail, tenderRelated Words breakable, brittle, crushable, eggshell, frangible, friable; feeble, flimsy, puny, slight, soft, tenuous, weak; nonhardy, perishable, resistless, susceptible, unresistant, vulnerable, yieldingNear Antonyms durable, firm, flinty, hard, hardy, resistant, robust, rugged, solid, sound, stiff, stout, strong, sturdy, substantial; infrangible, nonbreakable, unbreakable; hardened, inured, strengthened, tempered, toughenedAntonyms tough

4 of or relating to physical sensation or the senses sensitive data Synonyms sensational, sensory, sensorial, sensuousRelated Words afferent, receptive; sensate, sensualNear Antonyms extrasensory, intuitional

5 requiring exceptional skill or caution in performance or handling pointing out to the boss that she's wrong is always a sensitive task Synonyms catchy, delicate, difficult, dodgy [chiefly British], hairy, knotty, nasty, prickly, problematic (also problematical), tricky, spiny, sticky, thorny, ticklish, touchy, tough, tricksyRelated Words abstract, abstruse, complex, complicated, hard, intricate, involved, recondite, serious; problem, scabrous, stubborn, troublesome, troublous, vexatious, vexing, worrisome; burdensome, demanding, discommoding, exacting, exhausting, importunate, inconvenient, onerous, oppressive, painful, stressfulNear Antonyms easy, effortless, manageable, painless, simple, straightforward, uncomplicated, undemanding, unproblematic