Select the INCORRECTLY spelt word.

Efficient Occurrence Mischeivous  Fatuous

Mischeivous

The incorrectly spelled word is Mischeivous. The correct spelling is Mischievous. Efficient means able to do something well and quickly without wasting time or energy. Occurrence is an event that happens. Mischievous means causing trouble in a playful way. Fatuous means foolish or silly.