A tactic or artifice designed to gain the upper hand, especially one involving underhanded dealings or deception. / Specifically, such a tactic or artifice in military operation.

plural of stratagem

(obsolete) strategic; involving stratagem

(obsolete) In terms of, or by means of, a stratagem; strategically.

Synonym of stratagemical

(law, US) A legal tactic in court proceedings, intended to place the opponent on to the wrong foot by unethical use of court procedures:

(obsolete) strategist

(obsolete) strategic

(obsolete) strategic

plural of stratagematist