nullify implies counteracting completely the force, effectiveness, or value of something.
a penalty nullified the touchdown
negate implies the destruction or canceling out of each of two things by the other.
the arguments negate each other
annul suggests making ineffective or nonexistent often by legal or official action.
the treaty annuls all previous agreements
abrogate is like annul but more definitely implies a legal or official act.
a law to abrogate trading privileges
invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness.
the court invalidated the statute
Example Sentences
unfortunately, his arrogant attitude annuls the many generous favors he does for people plans to annul their short-lived, ill-advised marriage
Recent Examples on the WebAfter Kenya’s last election, in 2017, Mr. Odinga got the Supreme Court to annul the first round of voting, only to lose again in the rerun. Nicholas Bariyo, WSJ, 16 Aug. 2022 Biberaj has filed a petition with the Virginia Supreme Court asking it to annul the order disqualifying all 23 lawyers in her office from the Valle case. Tom Jackman, Washington Post, 26 June 2022 The high court decided not to annul the appeals court decision, noting that because the case had become moot, secretaries of state would not be bound to follow the Court of Appeals ruling.oregonlive, 16 Feb. 2022 His execution of Brexit, after three years in which members of Parliament had attempted to annul the referendum to leave the European Union, was a master class in sheer political willpower. Gerard Baker, WSJ, 7 Feb. 2022 The home team appeared to have scored the go-ahead goal in the 40th minute when a shot from Mukhtar was saved by Gallese but quickly fumbled before Anibal Godoy slotted the rebound into the net, but was flagged offside to annul the goal. Mike Gramajo, orlandosentinel.com, 23 Nov. 2021 Jesse Law, who ran the Trump campaign’s Election Day operations in Nevada, sued the Democratic electors, seeking to declare Trump the winner or annul the results. Isaac Arnsdorf, ProPublica, 2 Sep. 2021 An official result won’t be announced until the election board chooses to accept or decline Ms. Fujimori’s appeals, which seek to annul votes from regions dominated by Mr. Castillo. Ryan Dube, WSJ, 15 June 2021 Multiple companies, notably in the financial sector, have in the past year voluntarily acquired carbon credits in order to annul their carbon footprint in the past year – even in the absence of such a framework. Control Risks, Forbes, 19 May 2021 See More
Word History
Etymology
Middle English annullen, from Anglo-French annuller, from Late Latin annullare, from Latin ad- + nullus not any — more at null