Synonyms of early in English:

early


See definition of early

adjective

1‘early copies of the book are now ready’

SYNONYMS
advance, forward, prior
initial, preliminary, first, primary
pilot, test, trial
ANTONYMS

late

2‘an early death’

SYNONYMS
untimely, premature
too soon, too early, before time
archaic unseasonable

3‘bronze was used widely by early man’

SYNONYMS
primitive, ancient, prehistoric, antediluvian, primeval, primordial
of long ago
literary of yore
rare primigenial, pristine
ANTONYMS

modern

4‘he produced an early official statement’

SYNONYMS
prompt, timely, quick, speedy, rapid, fast, without delay, expeditious
archaic rathe
ANTONYMS

overdue


adverb

1‘Rachel has to get up early’

SYNONYMS
early in the day, in the early morning
at dawn, at daybreak, at cockcrow, with the lark
British informal at stupid o'clock
ANTONYMS

late

2‘they hoped to leave school early’

SYNONYMS
before the usual time, before the appointed time
prematurely, too soon
ahead of time, ahead of schedule, in good time
literary betimes