aggressive

adjective

ag·​gres·​sive ə-ˈgre-siv 

1

a

: tending toward or exhibiting aggression

aggressive behavior

b

: marked by combative readiness

an aggressive fighter

2

a

: 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

aggressively adverb

aggressiveness noun

aggressivity

ˌa-ˌgre-ˈsi-və-tē 

noun

Synonyms

• ambitious
• assertive
• enterprising
• fierce
• go-getting
• high-pressure
• in-your-face
• militant
• pushy
• self-asserting
• self-assertive

Choose the Right Synonym for aggressive

aggressive, militant, assertive, self-assertive mean obtrusively energetic especially in pursuing particular goals.

aggressive implies a disposition to dominate often in disregard of others' rights or in determined and energetic pursuit of one's ends.

aggressive in his business dealings

militant also implies a fighting disposition but suggests not self-seeking but devotion to a cause, movement, or principle.

militant protesters rallied against the new law

assertive suggests bold self-confidence in expression of opinion.

the more assertive speakers dominated the forum

self-assertive connotes forwardness or brash self-confidence.

a self-assertive young upstart

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

Recent Examples on the Web

Kristin talks with peers, peers’ parents, and every staff member, explaining how the dog is trained, how to behave around it, and soothing any worries regarding potential aggressive actions. —Ethan Stone, USA TODAY, 13 Dec. 2024

What drove a lot of interest and buzz around the movie was a reported real-life feud between Blake Lively and star/director Justin Baldoni, which featured things like dramatic press tours, people not following people on Instagram and some passive aggressive press comments. —Paul Tassi, Forbes, 12 Dec. 2024

Atlanta’s aggressive defense disrupted the Knicks’ rhythm early and often. —Kristian Winfield, New York Daily News, 12 Dec. 2024

Had an aggressive Dan Campbell call not gone the Lions' way, who knows what happens? —Fox News Staff, Fox News, 11 Dec. 2024

Word History

Etymology

borrowed from New Latin aggressīvus, from Latin aggressus, past participle of aggredī "to step up to, approach, attack" + -īvus -ive — more at aggress

First Known Use

1695, in the meaning defined at sense 1a

Phrases Containing aggressive

• hyper-aggressive
• passive-aggressive

Kids Definition

aggressive

adjective

ag·​gres·​sive ə-ˈgres-iv 

1

a

: showing readiness to attack

an aggressive dog

b

: practicing aggression

an aggressive nation

2

: being forceful in getting things done

an aggressive sales campaign

3

: growing, developing, or spreading rapidly

aggressive weeds

aggressively adverb

aggressiveness noun

Medical Definition

aggressive

adjective

ag·​gres·​sive ə-ˈgres-iv 

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

aggressively adverb

aggressiveness noun

aggressivity

ˌag-ˌre-ˈsiv-ət-ē 

noun

plural aggressivities