1. Not suitable for a particular occasion etc
   "noise seems inappropriate at a time of sadness"; "inappropriate shoes for a walk on the beach"; "put inappropriate pressure on them" 
2. Not in keeping with what is correct or proper
   "completely inappropriate behaviour"
   - incompatible, out of keeping, unfitting

See also: appropriateness, improper, inappropriately, inappropriateness, incongruous, malapropos, unbefitting, wrong

Antonym: appropriate

• cigarette lighter
• cigarette paper
• cigarette smoker
• cigarfish
• cigarillo
• ciggy
• cilantro
• cilial
• ciliary
• ciliary artery
• busy
• busy bee
• busybodied
• busybody
• busyness
• busywork
• but
• but then
• butacaine
• butacaine sulfate
• butadiene
• butane
• butanoic acid
• butanol
• butanone