Hypertext Webster Gateway: "nullify"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Nullify \Nul"li*fy\, v. t. [imp. & p. p. {Nullified}; p. pr. &
vb. n. {Nullifying}.] [L. nullificare; nullus none + -ficare
(in comp.) to make. See {Null}, a., and {-fy}.]
To make void; to render invalid; to deprive of legal force or
efficacy.
Such correspondence would at once nullify the
conditions of the probationary system. --I. Taylor.
Syn: To abrogate; revoke; annul; repeal; invalidate; cancel.
See {Abolish}.
From WordNet (r) 1.7 (wn)
nullify
v 1: declare invalid; "The contract was annulled"; "avoid a plea"
[syn: {invalidate}, {annul}, {quash}, {void}, {avoid}]
[ant: {validate}]
2: show to be invalid [syn: {invalidate}] [ant: {validate}]
3: make ineffective by counterbalancing the effect of; "Her
optimism neutralizes his gloom" [syn: {neutralize}, {neutralise}]
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