negative stimulus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a stimulus with undesirable consequences
• Hypernyms:
stimulation, stimulus, stimulant, input
• Hyponyms:
annoyance, bother, botheration, pain, infliction,
pain in the neck, pain in the ass, aversive stimulus, concern, worry, headache,
vexation, grief, sorrow