an acquired behavior pattern regularly followed until it has become almost involuntary

the habit of looking both ways before crossing the street.

customary practice or use

Daily bathing is an American habit.

a particular practice, custom, or usage

the habit of shaking hands.

a dominant or regular disposition or tendency; prevailing character or quality

She has a habit of looking at the bright side of things.

addiction, esp. to narcotics (often prec. by the ).

mental character or disposition

a habit of mind.

characteristic bodily or physical condition.

the characteristic form, aspect, mode of growth, etc., of an organism

a twining habit.

the characteristic crystalline form of a mineral.

garb of a particular rank, profession, religious order, etc.

a monk's habit.

the attire worn by a rider of a saddle horse.

to clothe; array.

noun

addiction , bent , bias , constitution , consuetude , convention , custom , dependence , disposition , fashion , fixation , fixed attitude , frame of mind * , gravitation , groove , habitude , hangup , impulsion , inclination , make-up , manner , mannerism , mode , nature , obsession , pattern , penchant , persuasion , praxis , predisposition , proclivity , proneness , propensity , quirk , routine , rule , rut , second nature * , set , style , susceptibility , thing * , turn , usage , use , way , weakness , wont , apparel , costume , garb , garment , habiliment , riding clothes , robe , vestment , practice , usance , build , habitus , physique , aberration , assuetude , attire , bearing , clothes , demeanor , dress , eccentricity , gown , guise , habituation , idiosyncrasy , rota , rote , second nature , suit , tendency , vice