overaggressive

adjective over·ag·gres·sive \ ˌō-vər-ə-ˈgre-siv \

Definition of overaggressive

: excessively aggressive
  • a child displaying overaggressive behavior in school
  • overaggressive drivers
  • … unnecessary care such as antibiotics for the common cold or overaggressive treatment of diabetes, leading to sometimes fatal hypoglycemia.
  • —Dan Morgan

overaggressively

adverb
    • driving overaggressively
    • We would call the show overaggressively quirky if it weren't so amusing.
    • The Boston Globe

overaggressiveness

noun
    • overaggressiveness almost cost her the title.
    • —Barry McDermott

First Known Use of overaggressive

1859

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

overaggressive

adjective over·ag·gres·sive \ ˌō-və-rə-ˈgres-iv \

medical Definition of overaggressive

: excessively aggressive
  • an overaggressive personality

Seen and Heard

What made you want to look up overaggressive? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a figure representing a hated person

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!