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Definitions

arm in arm

ADJECTIVE
hand in glove
Synonyms
WEAK
hand and glove hand in hand in tandem thick thick as thieves
ADVERB
cheek by jowl
Synonyms
WEAK
beside one another by the side of cheek to cheek close close together crowded hand in glove hand in hand on one side shoulder to shoulder side by side very intimate yardarm to yardarm
ADVERB
jointly
Synonyms
STRONGEST
accordingly collectively cooperatively in tandem mutually simultaneously together unitedly
STRONG
conjointly
WEAK
agreeably alike 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 in unison inextricably inseparably intimately reciprocally side by side similarly synchronically with one another
Antonyms
WEAK
singly

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.

Will Jacks and Rehan Ahmed, two 20-somethings bursting with talent, arm in arm in the middle of the pitch as smiles beamed from the sidelines.

From BBC • Feb. 27, 2026

Once we fought the Cold War arm in arm against “tyrannical forces” that “censored dissidents, that closed churches.”

From The Wall Street Journal • Feb. 19, 2026

After laying their flowers, they walked away, arm in arm.

From Barron's • Jan. 1, 2026

A cartoon by Isaac Cruikshank, Frailties of Fashion, shows just such a scene, with the prince arm in arm with his long-term mistress, Mrs. Fitzherbert, and the diminutive Duchess of York; both women are padded.

From Slate • Jul. 21, 2025

The girl in the fluffy jacket followed, arm in arm with her boyfriend.

From "The London Eye Mystery" by Siobhan Dowd