Synonyms of simultaneously in English:

simultaneously


See US English definition of simultaneously

See UK English definition of simultaneously

See Spanish definition of simultáneamente

adverb

1‘Alison and Frank spoke simultaneously’

SYNONYMS
at the same time, at one and the same time, at the same instant, at the same moment, at once, concurrently, concomitantly
together, all together, in unison, in concert, in chorus, as a group
rare synchronously
ANTONYMS

singly