hardly

scarcely, barely, just, merely, detectably, infinitesimally, perceptibly, imperceptibly, noticeably, not noticeably, gradually, measurably, not measurably, not markedly, not notably, no more than, not likely, not a bit, almost not, only just, with difficulty, with trouble, by a narrow margin, not by a great deal, only in spite of difficulties, with much ado, seldom, sporadically, almost not at all, but just, in no manner, by no means, little, infrequently, somewhat, not quite, here and there, simply, not much, rarely, faintly, comparatively, scantly, almost inconceivably, miserably, uncommonly, slightly, sparsely, not often, rather, with little likelihood, once in a blue moon, once in a coon's age, within two whoops and a holler, by the skin of one's teeth, just enough to swear by; see also moderately, only 1.

Antonyms easily*, without difficulty, readily.