think nothing of

noun

1. no thing; not anything; naught: to say nothing.
2. no part, share, or trace (usually followed by of): The house showed nothing of its former magnificence.
3. something that is nonexistent.
4. nonexistence; nothingness: The sound faded to nothing.
5. something or someone of no importance or significance: Money is nothing when you’re without health.
6. a trivial action, matter, circumstance, thing, or remark: to exchange a few nothings when being introduced.
7. a person of little or no importance; a nobody.
8. something that is without quantity or magnitude.
9. a cipher or naught: Nothing from nine leaves nine.
10. (used in conventional responses to expressions of thanks): Think nothing of it. It’s nothing. Nothing to it.

adverb

11. in no respect or degree; not at all: It was nothing like that. Nothing dismayed, he repeated his question.

adjective

12. amounting to nothing, as in offering no prospects for satisfaction, advancement, or the like: She was stuck in a nothing job.

Idioms

13. for nothing,
    1. free of charge.
    2. for no apparent reason or motive.
    3. futilely; to no avail: They had gone to a great deal of expense for nothing.
14. in nothing flat, in very little time: Dinner was finished in nothing flat.
15. make nothing of,
    1. to treat lightly; regard as easy.
    2. to be unsuccessful in comprehending: He could make nothing of the complicated directions.
16. nothing but, nothing other than; only: We could see nothing but fog.
17. nothing doing,
    1. Informal.emphatically no; certainly not.
    2. no activity, inducement, advantage, etc., present to the eye: We drove through the town but there seemed to be nothing doing.
18. nothing less than/short of, absolutely; completely: She was used to nothing less than the best.
19. think nothing of,
    1. to treat casually.
    2. to regard as insignificant: He thinks nothing of lying to conceal his incompetence.

pronoun

1. (indefinite) no thing; not anything, as of an implied or specified class of thingsI can give you nothing
2. no part or shareto have nothing to do with this crime
3. a matter of no importance or significanceit doesn’t matter, it’s nothing
4. indicating the absence of anything perceptible; nothingness
5. indicating the absence of meaning, value, worth, etcto amount to nothing
6. zero quantity; nought
7. be nothing to
   1. not to concern or be significant to (someone)
   2. to be not nearly as good as
8. have nothing to do with or be nothing to do with to have no connection with
9. have nothing on or have got nothing on
   1. to have no engagements to keep
   2. to be undressed or naked
   3. informalto compare unfavourably with
10. in nothing flat informal in almost no time; very quickly or soon
11. nothing but not something other than; only
12. nothing doing informal an expression of dismissal, disapproval, lack of compliance with a request, etc
13. nothing if not at the very least; certainly
14. nothing less than or nothing short of downright; truly
15. there’s nothing for it there’s no choice; there’s no other course
16. there’s nothing like a general expression of praisethere’s nothing like a good cup of tea
17. there’s nothing to it it is very simple, easy, etc
18. think nothing of
    1. to regard as routine, easy, or natural
    2. to have no compunction or hesitation about
    3. to have a very low opinion of
19. to say nothing of as well as; even disregardinghe was warmly dressed in a shirt and heavy jumper, to say nothing of his thick overcoat
20. stop at nothing to be prepared to do anything; be unscrupulous or ruthless

adverb

21. in no way; not at allhe looked nothing like his brother

noun

22. informal a person or thing of no importance or significance
23. sweet nothings words of endearment or affection

n.Old English naþing, naðinc, from nan “not one” (see none) + þing “thing” (see thing). Meaning “insignificant thing” is from c.1600. As an adverb from c.1200. As an adjective from 1961. 1Give little consideration to, regard as routine, as in He thinks nothing of driving 100 miles to see a new movie. [c. 1800] 2think nothing of it. It’s not important, as in Thanks for the lift.—Think nothing of it. This way of saying you’re welcome dates from the late 1800s. In addition to the idioms beginning with nothing

nothing but

nothing doing

nothing if not

nothing like

nothing new under the sun

nothing of the kind

nothing short of

nothing to do with

nothing to it, there’s

nothing to sneeze at

nothing to speak of

nothing to write home about

nothing ventured, nothing gained

also see:

come to nothing

count for (nothing)

go for nothing

have nothing on

have nothing to do with

here goes (nothing)

in no time (nothing flat)

leave a lot (nothing) to be desired

make nothing of

make something of (nothing)

much ado about nothing

not know beans (from nothing)

not to mention (say nothing of)

stop at nothing

sweet nothings

think nothing of

want for nothing