- operant⇄adj. 1. in operation; working.
Ex. No conscious courage was operant in me (G. Macdonald).
2. of or having to do with operant conditioning.
Ex. operant learning. - operant⇄noun 1. a person or thing that operates.
2. (Rare.) a workman; operator. - operant⇄operant, adjective, noun.