intransitive

US /ɪnˈtræn.sə.t̬ɪv/
UK /ɪnˈtræn.sə.t̬ɪv/
"intransitive" picture
1.

(of a verb or a sense of a verb) not taking a direct object (e.g., weep, lie, arrive)

:
The verb 'sleep' is intransitive.
Many verbs can be both transitive and intransitive depending on the context.