Synonym: contradict, dispute, refute, reject, renounce. Antonym: acknowledge, affirm, concede, confirm. Similar words: dense, denial, wooden, sudden, student, incident, evident, density. Meaning: [dɪ'naɪ] 
v. 1. declare untrue; contradict 2. refuse to accept or believe 3. refuse to grant, as of a petition or request 4. refuse to let have 5. deny oneself (something); restrain, especially from indulging in some pleasure 6. deny formally (an allegation of fact by the opposing party) in a legal suit 7. refuse to recognize or acknowledge.
v. 1. declare untrue; contradict 2. refuse to accept or believe 3. refuse to grant, as of a petition or request 4. refuse to let have 5. deny oneself (something); restrain, especially from indulging in some pleasure 6. deny formally (an allegation of fact by the opposing party) in a legal suit 7. refuse to recognize or acknowledge. 
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1 Better deny at once than promise long. 
2 Those who deny freedom to others hardly deserve it for themselves.
3 The White House was swift to deny the rumours.
4 He will not confirm or deny the allegations.
5 Both deny conspiring to cause actual bodily harm.
6 Do me the favour to deny me at once.
7 They deny conspiring together to smuggle drugs.
8 No one can deny the fact that fire burns.
9 He had the hardihood to deny the fact.
10 Both women vehemently deny the charges against them.
11 It's only too easy for them to deny responsibility.
12 They totally and categorically deny the charges.
13 Confidence, never deny yourself of it,[www.Sentencedict.com] for it costs you nothing and leads to great things.
14 The spokesman refused either to confirm or deny the reports.
15 They that deny the power of the king shall die by the sword.
16 You should never deny assistance to those who need it.
17 Even under torture, he refused to deny his beliefs/faith.
18 If anyone accuses me I shall simply deny it.
19 He appeared on national television to deny the claims.
20 Who can deny the justice of their cause?
21 My instinctive reaction was to deny everything.
22 You cannot deny this opportunity to me.
23 He tried to deny it. Shame on him!
24 Atheists deny the existence of God.
25 It is absurd that they deny my request.
26 She could deny her son nothing.
27 They were swift to deny the accusations.
28 They falsify or deny whatever doesn't suit their books.
29 He made no attempt to deny his guilt.
30 His words to the press were deliberately equivocal - he didn't deny the reports but neither did he confirm them.
More similar words: dense, denial, wooden, sudden, student, incident, evident, density, tendency, resident, identify, evidence, identity, confident, president, diffident, dependent, identical, residence, by accident, presidency, respondent, residential, all of a sudden, schadenfreude, presidential, correspondent, unprecedented, identification, independent.