In grammar, an intransitive verb does not allow a direct object. This is distinct from a transitive verb, which takes one or more objects. The verb property is called transitivity. Intransitive verbs are often identified as those that can't be followed by who or what.

What is an example of an intransitive verb?

A verb that does not need a direct object to complete its meaning. Run, sleep, travel, wonder, and die are all intransitive verbs. (Compare transitive verb.)

What does intransitive mean in grammar?

An intransitive verb is defined as a verb that does not take a direct object. That means there's no word in the sentence that tells who or what received the action of the verb. While there may be a word or phrase following an intransitive verb, such words and phrases typically answer the question "how?"