Synonyms for Hardly:

adv.

just (adverb)
nearly.
little (adverb)
not quite.
now and then (adverb)
infrequently.
slowly (adverb)
imperceptibly.

adv

infrequently (adverb)
seldom, sporadically.
little (adverb)
not often.
now and then (adverb)
once in a blue moon.
slowly (adverb)
imperceptibly.

n.

far from it, nothing could be farther from the truth, in no/not in any way, shape, or form, neither...nor (...nor), no such thing, anything but, actually, not think for a minute/moment (that). ensuing, subsequent, following, succeeding, subsequently, in the course of time, near, beyond, after, in time, Since. not, on no account/not on any account, not really, certainly not, no dice, of course not. all but, well-nigh, almost, close, nearly, practically. hardly (noun)
just, scarcely, barely, scarce.

Other synonyms:

not, well-nigh, almost. nearly, practically. actually. near. close. barely
barely.
imperceptibly
Infinitesimally.
rarely
seldom.

Usage examples for hardly

  1. Jess could hardly believe her eyes. – Jess by H. Rider Haggard
  2. " That can hardly be," said Cethegus with a smile. – A Struggle for Rome, Vol. 2 (of 3) by Felix Dahn
  3. Well, I hardly know what you mean. – A Mere Accident by George Moore