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Definitions

in sync

[in singk] / ɪn ˈsɪŋk /

ADJECTIVE

concurrent

Synonyms

WEAK

circumstantial coeval coexisting coincident concerted concomitant contemporaneous incidental parallel synchronal synchronous

Antonyms

WEAK

disagreeing divergent nonconcurrent

ADJECTIVE

simultaneous

Synonyms

STRONGEST

concurrent

WEAK

accompanying agreeing at the same time coetaneous coeval coexistent coexisting coincident coinciding concurring contemporaneous contemporary dead heat synchronal synchronic synchronous with the beat

Antonyms

WEAK

asynchronous different divided following preceding separate

ADJECTIVE

together

Synonyms

WEAK

calm cool stable well-adjusted well-balanced well-organized

Antonyms

WEAK

imbalanced unstable upset

ADVERB

synchronously

Synonyms

WEAK

all at once all together as one at one fell swoop closely coincidentally collectively combined commonly concertedly concomitantly concurrently conjointly contemporaneously en masse hand in glove hand in hand in a body in concert in cooperation in one breath in tandem in unison jointly mutually on the beat side by side simultaneously synchronically unanimously unitedly with one accord with one voice with the beat

ADVERB

together

Synonyms

STRONGEST

closely collectively in tandem jointly simultaneously

STRONG

unitedly

WEAK

all together as one at one fell swoop coincidentally combined commonly concertedly concomitantly concurrently conjointly contemporaneously en masse hand in glove hand in hand in a body in concert in cooperation in one breath in unison mutually on the beat side by side synchronically unanimously with one accord with one voice with the beat

Antonyms

WEAK

apart individually separately

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are countless examples of what can happen when they are not in sync.

From BBC • May 2, 2026

Takaichi’s plans are entirely in sync with American ambitions to get allies to shoulder more of the burden of their own defense.

From The Wall Street Journal • Mar. 28, 2026

One of the most striking findings was that many age-related shifts happen in sync across multiple organs.

From Science Daily • Feb. 28, 2026

At its best, when theme and visuals are in sync, “Arco” has the easy charm of something half-remembered from one’s cartoon-packed youth: beguilingly earnest and awkward in equal measure.

From Los Angeles Times • Jan. 23, 2026

Or maybe it was as simple as Justin’s wave, or Sarah’s smile, or the way Mrs. Turton moved her hands in sync with the kids.

From "The Thing About Jellyfish" by Ali Benjamin

in sync

Example Sentences

Related Words