—adj. 1. probably or apparently destined (usually fol. by an infinitive): something not likely to happen. 2. seeming like truth, fact, or certainty; reasonably to be believed or expected; believable: a likely story. 3. seeming to fulfill requirements or expectations; apparently suitable: a likely place for a restaurant. 4. showing promise of achievement or excellence; promising: a fine, likely young man.
—adv. probably: We will likely stay home this evening.