determined

adjective

de·​ter·​mined di-ˈtər-mənd 

dē-

1

: having reached a decision : firmly resolved

was determined to become a pilot

is determined not to let it happen again

2

a

: showing determination

a determined effort

b

: characterized by determination

… will deter all but the most determined thief.

—Security World

determinedly

di-ˈtər-mənd-lē 

-mə-nəd-lē, 

dē-

adverb

determinedness

di-ˈtər-mənd-nəs 

dē-

noun

Synonyms of determined

• resolute
• intent
• decisive
• resolved
• confident
• bound

Examples of determined in a Sentence

We are making a determined effort to correct our mistakes.

his determined opponent would not be bluffed or shaken

Recent Examples on the Web

At first determined to capture him, little by little Araí starts to understand, and eventually, to identify with the villain. — Rafa Sales Ross, Variety, 12 Aug. 2026

Abel opens the wallet Berkshire Hathaway’s CEO Greg Abel, who took over from Buffett at the start of the year, appears determined to put the record cash hoard amassed by Warren Buffett to work on buybacks and stock purchases. — Anniek Bao, CNBC, 10 Aug. 2026

The Supreme War Council deadlocked three-to-three between those favoring peace and those determined to fight to the finish. — James M. Scott, Time, 10 Aug. 2026

This eagle was later determined to be older than the fledgling, but the name stuck. — Maddie Rhodes, USA Today, 10 Aug. 2026

Word History

Etymology

see determine

First Known Use

circa 1616, in the meaning defined at sense 2a

Phrases Containing determined

• bound and determined
• self-determined

Rhymes for determined

• predetermined
• redetermined
• undetermined
• overdetermined
• termined

Kids Definition

determined

adjective

de·​ter·​mined di-ˈtər-mənd 

1

: having reached a decision : firmly resolved

determined to be a pilot

2

: not weak or uncertain

a very determined opponent

determinedly

-mən-dlē 

-mə-nəd-lē

adverb