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

Brazil is the first South American nation to host the tournament and will play in the opener on June 24 against a yet-to-be-determined opponent in the 73,000 seat Maracana, which also hosted the 2014 men's World Cup final. — ABC News, 20 Aug. 2026

Today, the cameras spotted Bucky Dent catching a salmon that looked pretty determined to swim away. — Laura Baisas, Popular Science, 20 Aug. 2026

Still, the 49ers seem determined to give him, Connor Colby and Robert Jones an equal shot of winning the starting job. — Matt Barrows, New York Times, 20 Aug. 2026

After days of scrutinizing weather models that seemed determined to test the nerves of everyone aboard the HX Expeditions ship MS Spitsbergen, somehow, against the odds, the clouds had cleared. — Daisy Dobrijevic, Space.com, 19 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