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Definitions

determined

[dih-tur-mind] / dɪˈtɜr mɪnd /
ADJECTIVE
driven, persistent
Synonyms
STRONGEST
decisive dogged purposeful resolute resolved serious single-minded steadfast strong-willed stubborn tenacious
STRONG
bent decided firm fixed obstinate pat persevering set settled
WEAK
bent on buckled down constant earnest hard as nails hardboiled intent mean business on ice set on solid strong-minded unfaltering unflinching unhesitating unwavering
Antonyms
STRONGEST
irresolute undetermined weak yielding
STRONG
changeable flexible indefinite soft undecided unfixed
WEAK
hesitating vacillating wavering

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.

"Early advice was sought from the Crown Prosecution Service, but detectives determined that there was insufficient evidence to bring forward criminal charges."

From BBC • Apr. 7, 2026

Its pilot then flew the plane to an unidentified country and determined the aircraft was not in landable condition.

From Barron's • Apr. 6, 2026

Ford determined that Hatley was the only person who couldn’t provide an alibi for the night of the murder.

From Slate • Apr. 6, 2026

By tracing its path backward over billions of years, they determined that the star originated in the Large Magellanic Cloud before eventually being pulled into the Milky Way.

From Science Daily • Apr. 4, 2026

How determined he was to train for this race.

From "Keeping Pace" by Laurie Morrison

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.