Collins COBUILD Advanced Learner's English Dictionary - aggressive

Frequency: The word is one of the 3000 most common words in English. 1. An aggressive person or animal has a quality of anger and determination that makes them ready to attack other people. Some children are much more aggressive than others... Aggressive behaviour is a sign of emotional distress. = belligerent ADJ • aggressively They’ll react aggressively. ADV • aggressiveness Her aggressiveness made it difficult for him to explain his own feelings. = aggression N-UNCOUNT 2. People who are aggressive in their work or other activities behave in a forceful way because they are very eager to succeed. He is respected as a very aggressive and competitive executive... ADJ • aggressively ...countries noted for aggressively pursuing energy efficiency. ADV: usu ADV with v