aversive

English

Adjective

aversive (comparative more aversive, superlative most aversive)

1. Tending to repel, causing avoidance (of a situation, a behaviour, an item, etc),

Noun

aversive (countable and uncountable; plural aversives)

1. (grammar, uncountable) A grammatical case indicating that something is avoided or feared; the evitative case.
2. (psychology, countable) An unpleasant stimulus intended to induce a change in behaviour.

References

• Skinner, B. F. (1969) Contingencies of Reinforcement. New York: Appleton-Century-Crofts