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Synonyms

decided

American  
[dih-sahy-did] / dɪˈsaɪ dɪd /

adjective

  1. in no way uncertain or ambiguous; unmistakable; unquestionable.

    a decided victory.

    Synonyms:
    indubitable, sure, definite, pronounced, certain, positive, indisputable, undeniable
  2. free from hesitation or wavering; resolute; determined.

    a decided approach to a problem.

    Synonyms:
    unhesitating, resolved
    Antonyms:
    uncertain

decided British  
/ dɪˈsaɪdɪd /

adjective

  1. unmistakable

    a decided improvement

  2. determined; resolute

    a girl of decided character

"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

  • decidedly adverb
  • decidedness noun
  • predecided adjective
  • well-decided adjective

Etymology

Origin of decided

First recorded in 1780–90; decide + -ed 2

Explanation

The adjective decided means recognizable, marked, or distinct. If you have a decided preference for classical music, you'll probably get Bach for your birthday and not the Beatles. Decided comes from the verb decide. If something has been decided, the question has been answered. So when we use decided as an adjective, we mean that there is no question about it. If you have decided political views, you won't be swayed by any debate. Decided can also mean distinct, as in a decided splash of yellow paint on your red car.

Keep Reading on Vocabulary.com

Vocabulary lists containing decided

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.

Even the legendary pitchman Paul Revere decided he could reach more people in print than on horseback, turning to newspaper ads to pitch his foundry.

From The Wall Street Journal • Apr. 15, 2026

It may well be that the duo have decided to relocate to one of their other impressive properties, which include a home in London and a countryside retreat in upstate New York.

From MarketWatch • Apr. 15, 2026

"We decided to use new technologies to try to fill this knowledge gap and we ended up taking a critical step toward blocking one of the world's most common viruses."

From Science Daily • Apr. 15, 2026

But the pull of Canada remained and he has now decided to apply again to pursue a bachelor's degree in clinical psychology.

From BBC • Apr. 14, 2026

But I decided then that it didn’t matter.

From "The Brightwood Code" by Monica Hesse