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.

Getting the pelican-frog duo to perform in unison was a feat of mechanical artistry for the team, not to mention the choreography needed by the puppeteer.

From Los Angeles Times • May 20, 2026

O'Neal and Kobe Bryant, combustible but extraordinary in unison.

From BBC • Apr. 14, 2026

"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

Both Resch and Garland seemed deep in rapid, professional thought—but not in unison.

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick

in unison

Example Sentences

Related Words