non-existence

negation, abnegation; denial; disavowal, disclaimer; abjuration; contradiction, contravention; recusation, protest; recusancy (dissent); flat contradiction, emphatic contradiction, emphatic denial, dementi., qualification; repudiation; retraction; confutation; refusal; prohibition.

deny; contradict, contravene; controvert, give denial to, gainsay, negative, shake the head., disown, disaffirm, disclaim, disavow; recant; revoke (abrogate)., dispute; impugn, traverse, rebut, join issue upon; bring in question, call in question (doubt) [more]; give (one) the lie in his throat., deny flatly, deny peremptorily, deny emphatically, deny absolutely, deny wholly, deny entirely; give the lie to, belie., repudiate; set aside, ignore [more]; rebut (confute); qualify; refuse.

denying; denied; contradictory; negative, negatory; recusant (dissenting); at issue upon.

no, nay, not, nowise; not a bit, not a whit, not a jot; not at all, not in the least, not so; no such thing; nothing of the kind, nothing of the sort; quite the contrary, tout au contraire, far from it; tant s'en faut; on no account, in no respect; by no, by no manner of means; negatively.

oblivion, obliviousness, lethe; forgetfulness; obliteration of, insensibility to the past [more]., short memory, treacherous memory, loose memory, slippery memory, failing memory; decay of memory, failure of memory, lapse of memory; waters of Lethe, waters of oblivion., amnesty, general pardon.

forget; be forgetful; fall into oblivion, sink into oblivion; have a short memory, have no head., forget one's own name, have on the tip of one's tongue, come in one ear and go out the other., slip memory, escape memory, fade from memory, die away from the memory; lose, lose sight of., unlearn; efface , discharge from the memory; consign to oblivion, consign to the tomb of the Capulets; think no more of (turn the attention from); cast behind one's back, wean one's thoughts from; let bygones be bygones (forgive).

forgotten; unremembered, past recollection, bygone, out of mind; buried in oblivion, sunk in oblivion; clean forgotten; gone out of one's head, gone out of one's recollection., forgetful, oblivious, mindless, Lethean; insensible to the past; heedless.