Synonyms of extra in English:

extra


See definition of extra

adjective

1‘a potential source of extra income’

SYNONYMS
additional, more, added, supplementary, supplemental, further, auxiliary, ancillary, subsidiary, secondary, attendant, accessory
other, another, new, fresh
ANTONYMS

normal


adverb

1‘we have to work extra hard tonight’

SYNONYMS
exceptionally, particularly, specially, especially, very, extremely, singularly, peculiarly, distinctly
unusually, extraordinarily, uncommonly, uniquely, remarkably, strikingly, outstandingly, amazingly, incredibly, awfully, terribly, really, unwontedly, notably, markedly, decidedly, surprisingly, conspicuously, signally
informal seriously, majorly, mucho
British informal jolly, dead, well
informal, dated devilish, frightfully
Northern English powerful, right

2‘postage has to be charged extra’

SYNONYMS
in addition, additionally, as well, also, too, besides, over and above that, on top, on top of that, further, into the bargain, to boot
then, again, furthermore
archaic withal, forbye
ANTONYMS

included


noun

1‘an optional extra’

SYNONYMS
addition, supplement, adjunct, addendum, add-on, bonus, accompaniment, complement, companion, additive, extension, appendage, accessory, attachment, retrofit
peripheral
ANTONYMS

standard item, necessity, essential

2‘a film extra’

SYNONYMS
walk-on, supernumerary, spear carrier
walk-on part, minor role, non-speaking role, bit part, nonplayer character, NPC, redshirt