Unlimited; not bounded or restricted; undefined.
Formed with the infinitive.
A non-finite verb form considered neutral with respect to inflection; depending on language variously found used with auxiliary verbs, in subordinate clauses, or acting as a gerund, and often as the dictionary form.
The infinitive mood or mode (a grammatical mood).
A verbal noun formed from the infinitive of a verb.
Not yet determined; undecided.
Not certain; unsure.
Variable and subject to change.
Fitful or unsteady.
Unpredictable or capricious.
Not known for certain; questionable.
Something uncertain.