Definition of aggressive
1a : tending toward or exhibiting aggression <aggressive behavior>b : marked by combative readiness <an aggressive fighter>
2a : marked by obtrusive energy and self-assertiveness <a rude, aggressive personality>b : marked by driving forceful energy or initiative : enterprising <an aggressive salesman>
3 : strong or emphatic in effect or intent <aggressive colors> <aggressive flavors>
4 : growing, developing, or spreading rapidly <aggressive bone tumors>
5 : more severe, intensive, or comprehensive than usual especially in dosage or extent <aggressive chemotherapy>
aggressivityplay \ˌa-ˌgre-ˈsi-və-tē\ noun
Examples of aggressive in a sentence
He started to get aggressive and began to shout.
an aggressive lawyer whose tactics have made people angry
The team plays a very aggressive style of defense.
The company took aggressive steps to prevent illegal use of their equipment.
The publisher has been very aggressive in promoting the book.
The city began an aggressive campaign to encourage recycling.
an aggressive form of cancer
Origin and Etymology of aggressive
First Known Use: 1716
Synonym Discussion of aggressive
AGGRESSIVE Defined for English Language Learners
Definition of aggressive for English Language Learners
: ready and willing to fight, argue, etc. : feeling or showing aggression
: using forceful methods to succeed or to do something
medical : very severe
AGGRESSIVE Defined for Kids
Definition of aggressive for Students
1 : showing a readiness to fight or argue <an aggressive dog> <aggressive behavior>
2 : engaging in hostile action without reasonable cause <an aggressive nation>
3 : being forceful in getting things done <an overly aggressive salesperson>
Medical Definition of aggressive
1: tending toward or exhibiting aggression <aggressive behavior>
2: growing, developing, or spreading rapidly <aggressive bone tumors>
3: more severe, intensive, or comprehensive than usual especially in dosage or extent <aggressive chemotherapy> <aggressive surgical intervention>—compare conservative
aggressivity\ˌag-ˌre-ˈsiv-ət-ē\play noun plural
Seen and Heard
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