misplay

From mis- +‎ play.

misplay (third-person singular simple present misplays, present participle misplaying, simple past and past participle misplayed)

1. (transitive) To play incorrectly or poorly.

   I misplayed that tennis shot: I should have hit it to her right instead of her left.

misplay (plural misplays)

1. A wrong play.

   His misplay in the bridge tournament was penalized when it was noted he'd broken the rules.

• impalsy