Definition of: mistake

(mis·tāk′) noun
An error in action, judgment, perception, or impression; a blunder. See synonyms under ERROR.
—v. ·took, ·taken, ·tak·ing v.t.
1. To understand wrongly; acquire a wrong conception of; misinterpret.
2. To take (a person or thing) to be another; fail to identify correctly: to mistake friends for enemies.
—v.i.
3. To make a mistake. [<ON mistaka]
—mis·tak′a·ble adjective