Simple Definition of infinitive

from our Learner's Dictionary

infinitive

noun

plural infinitives
grammar : the basic form of a verb

Note: In English the infinitive form of a verb is usually used with to ("I asked him to go") except with modal verbs like should and could ("He should go") and certain other verbs like see and hear ("I saw him go").

Cite this Entry

“Infinitive.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/infinitive. Accessed 6 May. 2026.

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