Definition of "tactic" in English

noun

1. A maneuver, or action calculated to achieve some end.

2. (military) A maneuver used against an enemy.

3. (chess) A sequence of moves that limits the opponent's options and results in an immediate and tangible advantage, typically in the form of material.

adjective

1. (dated, military) Tactical; of or relating to the art of military and naval tactics.

2. (chemistry) Describing a polymer whose repeat units are identical