Verbs can be tricky things, and the difference between transitive and intransitive verbs often confounds even the best grammar students and writers. An intransitive verb is simply 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?". Intransitive verbs are complete without a direct object, as you will see in the examples below.