Manly, manful, mannish mean having the traits or qualities that a culture regards as especially characteristic of or ideally appropriate to adult men. Manly is usually a term of approval, suggesting traits admired by society, such as determination, decisiveness, and steadiness: a manly acceptance of the facts; manly firmness of character.
Manful, also a term of approval, stresses qualities such as courage, strength, and fortitude: a manful effort to overcome great odds.
Mannish is most often used derogatorily in reference to the traits, manners, or accouterments of a woman that are thought to be more appropriate to or typical of a man: a mannish abruptness in her speech; She wore a severely mannish suit.
See also male