mis ‧ place /ˌmɪsˈpleɪs/ BrE AmE verb [transitive]
[ Word Family: noun : ↑ place , ↑ placement , ↑ placing , ↑ displacement , ↑ replacement ; verb : ↑ place , ↑ displace , ↑ misplace , ↑ replace ; adjective : ↑ displaced , ↑ misplaced , ↑ replaceable ]
to lose something for a short time by putting it in the wrong place SYN mislay :
Oh dear, I seem to have misplaced the letter.