aggressive
[ uh-gres-iv ]
/ əˈgrɛs ɪv /
adjective
characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
making an all-out effort to win or succeed; competitive: an aggressive basketball player.
vigorously energetic, especially in the use of initiative and forcefulness: an aggressive salesperson.
boldly assertive and forward; pushy: an aggressive driver.
emphasizing maximum growth and capital gains over quality, security, and income: an aggressive mutual fund.
Medicine/Medical.
- (of a disease or tumor) spreading rapidly or highly invasive; difficult or impossible to treat successfully.
- pertaining to a risky surgery or treatment, or to a medication that has grave side effects: aggressive chemotherapy.
Nearby words
Origin of aggressive
SYNONYMS FOR aggressive
Related forms
Can be confused
aggressive passiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for aggressive
British Dictionary definitions for aggressive
aggressive
/ (əˈɡrɛsɪv) /
adjective
quarrelsome or belligerentan aggressive remark
assertive; vigorousan aggressive business executive
Derived Forms
aggressively, adverbaggressiveness, nounCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medicine definitions for aggressive
aggressive
[ ə-grĕs′ĭv ]
adj.
Characterized by aggression.
Inclined to behave in a hostile fashion.
Tending to spread quickly, as a tumor; fast-growing.
Characterized by or inclined toward vigorous or intensive medical treatment.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.