<p><strong>Noun</strong></p><ul><li>In English, the simple or basic form of a verb, with no endings to indicate the verb’s subject or tense, such as come, take, eat, be: used after auxiliary verbs or preceded by the word to, and sometimes functioning as a noun, such as He must be, I want to eat, To love is to understand.</li><li>A verb form found in many other languages that has a similar function, such as French venir “to come” or Latin esse “to be.”</li></ul><p><strong>Adjective</strong></p><ul><li>Consisting of or containing an infinitive: an infinitive construction.</li></ul>