too soon (adverb) early: sooner than expected
Sinonime: a bit previous, ahead of time,
anon, before long, beforehand, betimes,
briefly, bright and early,
directly, early bird, ere long, far ahead,
immediately, in advance, in good time, in the bud, in time, on short notice, on the dot, oversoon, prematurely,
presently,
previous,
promptly, pronto, proximately,
quick,
shortly,
soon, too soon,
unexpectedly, with time to spare
Antonime: later