Definitions

1. verb

past tense of lay, meaning to put or place something in a particular location

“She mislaid her keys somewhere in the house.”

2. noun

something that has been carelessly or forgetfully left or misplaced

“The mislaid book was found under the bed.”

3. adjective

carelessly or forgetfully left or misplaced

“The mislaid luggage was collected at the airport.”