Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Grammarintensifierin‧ten‧si‧fi‧er /ɪnˈtensəfaɪə $ -ər/ noun [countable] technical SLGa word, usually an adverb, that is used to emphasize an adjective, adverb, or verb, for example the word ‘absolutely’ in the phrase ‘that’s absolutely wonderful’ ldoceonline.com