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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.

"And every one of these independent cellular clocks appears to be in sync when you watch normal development. But are they communicating with each other? We've never thought deeply about that question before."

From Science Daily • Jun. 4, 2026

ChatGPT and Gemini were the most in sync, but they still disagreed about a quarter of the time.

From The Wall Street Journal • May 10, 2026

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

From BBC • May 2, 2026

It is a connection so in sync it could have been written in the stars.

From Los Angeles Times • Feb. 14, 2026

The life-size puppet’s blocky jaw flapped open and shut—almost in sync with the words.

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

in sync

Example Sentences

Related Words