for all I, you, etc. know

for all (one) knows

Said when one is uncertain or has limited details about something. I haven't talked to Marie in weeks, so, for all I know, she's not even coming to the dinner party tonight. Don't panic. For all Mom knows, we've been in our rooms all night. For all I know, she could be living in Timbuktu by now!
See also: all, for, know
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

for all ˈI, ˈyou, etc. know

(spoken) used to emphasize that you somebody does not know something: She could be dead for all I know.
See also: all, for, know
Farlex Partner Idioms Dictionary © Farlex 2017
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