I. in-ˈfi-nə-tiv adjective
Etymology: Middle English infinityf, from Late Latin infinitivus, from Latin infinitus
Date: 15th century
: formed with the infinitive
• in·fin·i·tive·ly adverb
II. noun
Date: 1530
: a verb form normally identical in English with the first person singular that performs some functions of a noun and at the same time displays some characteristics of a verb and that is used with to (as in “I asked him to go ”) except with auxiliary and various other verbs (as in “no one saw him leave ”)