night and day
Polar extremes together
Night and day describes a stark, total contrast between two things—as different as darkness and light.
The phrase emphasizes that no middle ground exists: Her attitude before and after the promotion was night and day.
It can also mean continuously, without interruption: They worked night and day to finish the project.
Terms with contrary meanings
- polar oppositesMaximally opposed counterparts
- differenceWay things contrast
- transformationThorough change in form
- stark contrastExtreme obvious difference
worlds apart · incomparable · unrecognizable · black and white · reversal · before and after · opposite ends
Continuous, without interruption
- nonstopWithout pause or break
- ceaselessWithout interruption or end
- unendingLacking any terminus
- perpetualLasting without interruption
constant · relentless · uninterrupted · endless · round-the-clock · tireless · sustained · unbroken
opposites
Terms with contrary meanings
- polar oppositesMaximally opposed counterparts
- differenceWay things contrast
- transformationThorough change in form
stark contrast · worlds apart · incomparable · unrecognizable · black and white · reversal · before and after · opposite ends
around-the-clock
Continuous, without interruption
perpetual · constant · relentless · uninterrupted · endless · round-the-clock · tireless · sustained · unbroken · incessant
- oppositesopposite, opposites, antonym, antonyms, inverse
- nonstop24/7, always, around the clock, constant, continuous
- incompatibilityoil and water, chalk and cheese, apples and oranges, mismatch, clash
- TaoismTao, Taoism, Daoism, Laozi, Lao Tzu
- pairspair, pairs, two, duo, duos
night and dayidentical
Exactly the same
the same · indistinguishable · one and the same · interchangeable · carbon copy
night and dayall day
For entire daylight hours
all night · constant · unvarying · monotonous
night and dayaround the clock
At all times
twenty-four seven · continuous · unbroken · seamless · constant
night, nightfall, nighttime, daytime, overnight, nightly, knights, nocturnal, nocturne