Synonyms of before in English:

before


See definition of before

preposition

1‘he locked all the doors before going to bed’

SYNONYMS
prior to, previous to, earlier than, preparatory to, in preparation for, preliminary to, in anticipation of, in expectation of
in advance of, ahead of, leading up to, on the eve of
rare anterior to
ANTONYMS

after

2‘he was ordered to appear before Sir Robert’

SYNONYMS
in front of, in the presence of, in the sight of
before the very eyes of, under the nose of

3‘he lived up to the tradition of death before dishonour’

SYNONYMS
in preference to, rather than, sooner than, above, over, instead of

adverb

1‘she had never confided in anyone before’

SYNONYMS
previously, before now, before then, until now, until then, up to now, up to then
earlier, formerly, hitherto, in the past, in days gone by
rare heretofore

2‘a small party went on before’

SYNONYMS
ahead, in front, in advance, in the lead