An assertion of untruth. / (logic) The negation in logic. / A refusal or failure to provide or grant something that is requested or desired. / Refusal to believe that a problem exists.

Relating to denial in a controversial debate.

(derogatory) One who denies an assertion in a controversial debate.

plural of denialist

(uncountable) The condition of being deniable. / (countable) The extent to which something is deniable.

(politics, business, military, espionage) The organization of clandestine activity in such a way that knowledge of its existence may be denied by those in authority.

Synonym of climate denialism.

network-on-network warfare.

A tubulin-binding drug.

(Internet) A type of network computer attack that attempts to render a particular service (e.g. web site) unavailable to its audience.