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v. an·ni·hi·lat·ed, an·ni·hi·lat·ing, an·ni·hi·lates
a. To destroy completely: The naval force was annihilated during the attack.
b. To reduce to nonexistence: "He had not just to hide his hunger; so as not to go mad he had to annihilate it" (Philip Roth).
c. To defeat decisively: annihilated the league champions in the playoffs.
2. Physics To convert (a subatomic particle) to energy or high-energy particles by annihilation.
1. To be completely destructive.
2. Physics To participate in annihilation. Used of particles and antiparticles.

[Late Latin annihilāre, annihilāt- : Latin ad-, ad- + Latin nihil, nothing; see ne in Indo-European roots.]

an·ni′hi·la·bil′i·ty (-lə-bĭl′ĭ-tē) n.
an·ni′hi·la·ble (-lə-bəl) adj.
an·ni′hi·la′tor n.
Synonyms: annihilate, exterminate, extinguish, obliterate
These verbs mean to destroy completely. Annihilate often implies that the destruction is so severe that nothing is left or salvagable: The cannon blasts annihilated the enemy's fortifications.
Exterminate emphasizes the elimination of that which is considered undesirable, especially by killing: "The land had been rendered treeless, as though a tree were a parasite that needed to be exterminated, its stump uprooted and purged" (Madhusree Mukerjee).
Extinguish is to put an end to something or to make something extinct: The teacher's criticism of my essay extinguished my enthusiasm for the project.
To obliterate is to leave no trace of that which is destroyed: The virus obliterates all data on the hard drive of any computer it infects.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.annihilated - destroyed completelyannihilated - destroyed completely      
destroyed - spoiled or ruined or demolished; "war left many cities destroyed"; "Alzheimer's is responsible for her destroyed mind"
References in periodicals archive ?
Corbyn's Labour will be annihilated JEREMY Corbyn is a racing certainty to win the Labour leadership election.
A terrorist commando made up of young women totally receptive to deadly ideology of IS has been annihilated," Molins said in a televised broadcast.
I can't picture you as someone who would want their family annihilated,' says Piers in the first episode of this two-parter, which he hopes will reveal what drives women to commit monstrous crimes.
Annihilated by bomb expert, the bag was seen to contain cloth.
It is the racist ideology of Zionism that needs to be annihilated in order to pave way for a national referendum and an all-inclusive government that would represent the interests of Jews, Muslims and Christians alike in a free and democratic Palestine.
County languish pointless in bottom spot after their fifthstraight defeat, annihilated by straight defeat, annihilated by a superior Accies side.
Anti-terror operation will go on until all militants are annihilated UKRAINE DEPUTY PM
It was obvious in the way he just annihilated the field and he proved it in no uncertain terms when winning the Champion Bumper.
Electrically charged leptons are formed when the color charges of quarks and antiquarks with different flavors are annihilated, while neutrinos are formed when both the electric and color charges of quarks and antiquarks with the same flavor are annihilated.
CDATA[ Vegetation in the Golan reserve is believed to have been annihilated, but caged vultures in a special breeding program were evacuated.
Tatevosyan is a world-class opponent and I got in there and annihilated him in two rounds.
The good will be martyred; the Holy Father will have to suffer much, and several nations will be annihilated.