Synonyms of 'mislay'
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If you lose something, you do not know where it is, for example because you have forgotten where you put it.
I lost my keys.
If you misplace something, you lose it, usually only temporarily.
He misplaces his reading glasses with surprising regularity.
Thesaurus for mislay from the Collins English Thesaurus
If you mislay something, you put it somewhere and then forget where you have put it.