The Collaborative International Dictionary
Intransitively
Intransitively \In*tran"si*tive*ly\, adv. (Gram.) Without an object following; in the manner of an intransitive verb.
Wiktionary
intransitively
adv. (context grammar English) In an intransitive manner; without an object following.
WordNet
intransitively
adv. in an intransitive manner; "you can use the verb `drink' intransitively, without a direct object" [ant: transitively]