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defamatory causing or tending to cause injury to another's reputation; libelous or slanderous.
defame to damage or destroy the reputation of (a person, group, or institution) by making unfavorable and unjust statements. [2 definitions]
default failure to take positive action; neglect. [14 definitions]
defeat to win a victory over; beat in a game, battle, or the like. [4 definitions]
defeatable combined form of defeat.
defeatism the tendency to expect defeat or accept defeat with resignation.
defeatist one who regards losing or failing as inevitable or accepts it with resignation. [2 definitions]
defecate to expel feces from the bowels. [2 definitions]
defect a flaw, error, or other imperfection. [3 definitions]
defection the act of deserting or renouncing loyalty to something to which one is supposed to be loyal, such as one's country, duty, religion, or party. [2 definitions]
defective having a flaw, error, or other imperfection. [2 definitions]
defence a spelling of defense used in Canada and Britain. See defense for more information.
defend to protect from harm, seizure, or intrusion; guard. [4 definitions]
defendable combined form of defend.
defendant one who is accused or sued in a court of law. (Cf. plaintiff.) [2 definitions]
defender someone who believes in and supports a person, plan, idea, or the like. [4 definitions]
defenestration the act of throwing someone or something out of a window.
defense the act of defending. [5 definitions]
defenseless combined form of defense.
defense mechanism in psychology, an unconscious process that submerges or opposes ideas or actions that would be painful or inappropriate. [2 definitions]
defensible capable of being defended or justified.