刺激

to provoke / to irritate / to upset / to stimulate / to excite / irritant

to provoke; to irritate; to upset; to stimulate; to excite / irritant

(onom.) whoosh

thorn / sting / thrust / to prick / to pierce / to stab / to assassinate / to murder

to arouse / to incite / to excite / to stimulate / sharp / fierce / violent

thrilling / exciting / stimulating / irritating / provocative / pungent / spicy

growth hormone

stimulus

lung irritant

(immunology) costimulation / costimulatory

irritant agent