think nothing of
Definition of think nothing of
: to not hesitate at all about (doing something that other people think is very difficult or dangerous) She thinks nothing of running 10 miles.
Word by Word Definitions
: not any thing : no thing
: no part
: one of no interest, value, or consequence
: not at all : in no degree
: something that does not exist
: the absence of all magnitude or quantity
: of no account : worthless
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