- noting or having the quality of an intransitive verb.
- denoting a verb when it does not require a direct object
- denoting a verb that customarily does not require a direct object
- a verb in either of these categories
- denoting an adjective or noun that does not require any particular noun phrase as a referent
- (of a relation) having the property that if it holds between one argument and a second, and between the second and a third, it must fail to hold between the first and the third
