negate

ne·gate  (n-gt)

tr.v. ne·gat·ed, ne·gat·ing, ne·gates

1. To make ineffective or invalid; nullify.

2. To rule out; deny. See Synonyms at deny.

3. Computer Science To perform the machine logic operation NOT gate.

---

[Latin negre, negt-, to deny; see ne in Indo-European roots.]

---

ne·gator, ne·gater n.

---

negate

Verb

[-gating, -gated]

1. to cause to have no value or effect: his prejudices largely negate his accomplishments

2. to deny the existence of [Latin negare]

Thesaurus

Verb	1.	negate - be in contradiction with belie, contradict depart, deviate, vary, diverge - be at variance with; be out of line with
	2.	negate - deny the truth of contradict, contravene disagree, take issue, differ, dissent - be of different opinions; "I beg to differ!"; "She disagrees with her husband on many questions" deny - declare untrue; contradict; "He denied the allegations"; "She denied that she had taken money"
	3.	negate - prove negative; show to be false contradict logical system, system of logic, logic - a system of reasoning shew, show, demonstrate, prove, establish - establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture" nullify, invalidate - show to be invalid confute, disprove - prove to be false; "The physicist disproved his colleagues' theories" affirm, confirm, corroborate, substantiate, support, sustain - establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant"
	4.	negate - make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts" neutralize, nullify, neutralise weaken - lessen the strength of; "The fever weakened his body"

---

negate

verb 1. invalidate, reverse, cancel, wipe out, void, repeal, revoke, retract, rescind, neutralize, annul, nullify, obviate, abrogate, countermand

verb 2. deny, oppose, contradict, refute, disallow, disprove, rebut, gainsay (archaic), (literary) << OPPOSITE confirm