unsuited

adjective4

1. •
   Not suited to a specific purpose.

   • […] we are convinced, from considerable experience and observation, that the class of diseases described by Sir James as unsuited to the climate of Pau, et vice versâ […] — 1842
2. •
   Not compatible; mismatched.
3. •
   Not of the same suit.

   • You have been dealt King-9 unsuited ("canine") in your pocket. — 2005
4. •
   Not wearing a suit.