In-fĭn'i-tīve, a.

a. [Lat. infinitivus, It., Sp., & Pg. infinitivo, Pr. infinitivi, Fr. infinitif. See INFINITE.] Unlimited; not bounded or restricted.

Infinitive mode (Gram.), that mode of the verb which expresses the action of the verb, without limitation of person or number; as, to love. The word infinitive is often used as a noun to denote this mode.