reaction(redirected from hypersensitivity reaction)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to hypersensitivity reaction: delayed hypersensitivity reaction
reaction(Opposition), noun backfire, backlash, challenge, clash, conflict, contradiction, contrariety, differences, disagreement, disapprobation, discountenance, expression of disapproval, objection, polarity, protest, rebound, rebuff, recalcitration, renitency, reprisal, resistance, retaliation, retroaction
reaction(Response), noun answer, attitude, effect, emotion, feeling, impact, impression, perception, reciprooal action, rejoinder, repercussion, reply, return, sensation, sense, sentiment, view
Associated concepts: allergic reaction
See also: answer, belief, conclusion, consequence, effect, emotion, estimate, idea, impression, opinion, repercussion, reply, reprisal, response