Infinitive /(?)/

In·fin·i·tive

Infinitive

n.
  1. Unlimited; not bounded or restricted; undefined.

Phrases & Compounds
Infinitive mood
that form of the verb which merely names the action, and performs the office of a verbal noun. Some grammarians make two forms in English: (a) The simple form, as, speak, go, hear, before which to is commonly placed, as, to speak; to go; to hear. (b) The form of the imperfect participle, called the infinitive in -ing; as, going is as easy as standing.

Infinitive

n.
  1. An infinitive form of the verb; a verb in the infinitive mood; the infinitive mood. (Gram.)

Infinitive

adv.
  1. In the manner of an infinitive mood. (Gram.)