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Synonyms

aggressive

American  
[uh-gres-iv] / əˈgrɛs ɪv /

adjective

  1. characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing.

    aggressive acts against a neighboring country.

    Synonyms:
    militant, pugnacious
    Antonyms:
    friendly
  2. making an all-out effort to win or succeed; competitive.

    an aggressive basketball player.

    Synonyms:
    assertive, enterprising, forceful
    Antonyms:
    hesitant, timid, shy, retiring
  3. vigorously energetic, especially in the use of initiative and forcefulness.

    an aggressive salesperson.

  4. boldly assertive and forward; pushy.

    an aggressive driver.

  5. emphasizing maximum growth and capital gains over quality, security, and income.

    an aggressive mutual fund.

  6. Medicine/Medical.

    1. (of a disease or tumor) growing or spreading rapidly; highly invasive; difficult or impossible to treat successfully.

      aggressive brain lesions.

    2. pertaining to a risky surgery or treatment, or to a medication that has grave side effects.

      aggressive chemotherapy.

  7. (of a plant) spreading more rapidly than is desirable; tending to spread where not wanted.

    The joe-pye weed may be too aggressive to contain in the small area you’ve designated.


aggressive British  
/ əˈɡrɛsɪv /

adjective

  1. quarrelsome or belligerent

    an aggressive remark

  2. assertive; vigorous

    an aggressive business executive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • aggressively adverb
  • aggressiveness noun
  • aggressivity noun
  • antiaggressive adjective
  • hyperaggressive adjective
  • overaggressive adjective
  • overaggressiveness noun
  • superaggressive adjective
  • unaggressive adjective
  • unaggressiveness noun

Etymology

Origin of aggressive

First recorded in 1690–1700; from Late Latin aggressīvus, derivative of Latin aggressus, past participle of aggredī “to go to, approach, attack”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The former congresswoman, who gained fame for her aggressive questioning of chief executives and Trump administration officials while in Congress, also pointed to her longtime focus on oversight.

From Los Angeles Times • Apr. 1, 2026

Our preferred approach for aggressive traders who have the resources is to implement a risk-reversal strategy.

From Barron's • Apr. 1, 2026

It has a faint, almost red-hot intensity; it’s not aggressive, but assertive.

From Salon • Mar. 31, 2026

CEO Sridhar Ramaswamy added that Beaulier has built a “trusted position in the sales team and with our customers,” making him “uniquely positioned to deliver aggressive growth during this transformational time in the market.”

From MarketWatch • Mar. 31, 2026

As it happened, Deutsche Bank had broken off relations with Mike Burry back in June, after Burry had been, in Deutsche Bank’s view, overly aggressive in his demands for collateral.

From "The Big Short" by Michael Lewis