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Definitions

in unison

ADJECTIVE
agreeing
Synonyms
WEAK
congruent in concert
ADJECTIVE
harmonic
Synonyms
STRONGEST
melodic symphonic
STRONG
consonant musical
WEAK
accordant concordant dulcet euphonious harmonizing in chorus in concert in harmony in tune mellifluous melodious rhythmical sonorous sweet-sounding symphonious tuneful
Antonyms
STRONG
dissonant
ADJECTIVE
harmonious
Synonyms
STRONGEST
amicable balanced congenial coordinated cordial peaceful
WEAK
accordant adapted compatible concordant congruous consonant dulcet euphonious harmonic harmonizing in accord in chorus in concert in harmony in step in tune like matching mellifluous melodic melodious mix musical of one mind on same wavelength rhythmical silvery similar simpatico sonorous suitable sweet-sounding symmetrical sympathetic symphonic symphonious tuneful
Antonyms
STRONGEST
disagreeable hostile unfriendly
WEAK
cacophonous discordant dissonant harsh inharmonious opposed unlike
ADJECTIVE
symphonious
Synonyms
WEAK
accordant adapted amicable balanced compatible concordant congenial congruous consonant coordinated cordial dulcet euphonious harmonic harmonizing in accord in chorus in concert in harmony in step in tune like matching mellifluous melodic melodious mix musical of one mind on same wavelength peaceful rhythmical silvery similar simpatico sonorous suitable sweet-sounding symmetrical sympathetic symphonic tuneful
ADVERB
en masse
Synonyms
WEAK
all at once as a body as a group as a whole as one collectively communally cooperatively en bloc ensemble in a group in chorus jointly together unanimously unitedly wholly with one voice
ADVERB
jointly
Synonyms
STRONGEST
accordingly collectively cooperatively in tandem mutually simultaneously together unitedly
STRONG
conjointly
WEAK
agreeably alike arm in arm coincidentally combined companionably concomitantly concurrently connectedly en masse hand in glove hand in hand harmoniously in a group in common in company with in concert in conjunction in league in partnership inextricably inseparably intimately reciprocally side by side similarly synchronically with one another
Antonyms
WEAK
singly
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 sync in tandem 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 sync mutually on the beat side by side synchronically unanimously with one accord with one voice with the beat
Antonyms
WEAK
apart individually separately
ADVERB
unanimously
Synonyms
STRONGEST
collectively commonly consistently universally
WEAK
agreeingly all together communally concertedly concorantly consensually cooperatively harmoniously in agreement nem con nemine contradicente popularly undisputedly unitedly without dissent
Antonyms
WEAK
differently divergently opposite

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.

"Where is the money?" supporters of Magyar's party, Tisza, thundered in unison, referring to accusations against local Fidesz politicians over millions of euros of public funds that have gone missing.

From Barron's • Apr. 10, 2026

While each member of BTS participates in the dance portions – many of them coordinated in unison — three breakout members are also acknowledged as the main dancers: J-Hope, Jimin and Jung Kook.

From Salon • Mar. 21, 2026

He watches as his dancers parse through a section in the studio, repeating a phrase until they are in unison.

From Los Angeles Times • Mar. 13, 2026

The NFL salary cap rises and falls in unison with the NFL’s business, which is thriving.

From MarketWatch • Mar. 9, 2026

“Fly jets. Get a dog,” answered two voices in unison.

From "Eleven" by Tom Rogers