Intensifier/ɪnˈtensɪfaɪər/ Definition 1 of 2Pro Tip 1/3Emphasis in Speech Use intensifiers to emphasize feelings or qualities in spoken English for strong expression. The soup is incredibly hot. Pro Tip 2/3Avoid Overuse Be cautious not to overuse intensifiers as they may weaken the impact or sound exaggerated. She's always so incredibly busy. Pro Tip 3/3Boosting Adjectives Intensifiers precede adjectives to boost their meaning but don't change the adjective itself. The movie was extremely interesting.