[ ɪn'fɪnɪtɪv ]
■ noun the basic form of a verb, without an inflection binding it to a particular subject or tense (normally occurring in English with the word to , as in to see , to ask ).
Derivatives
infinitival -'tʌɪv(ə)l adjective
infinitivally adverb
Origin
ME (as an adjective): from L. infinitivus , from infinitus (see infinite ).