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Est. 1828
Thesaurus

Synonyms of on one's mettle

  • as in intent
  • as in intent
  • Entries Near
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on one's mettle

phrase

Definition of on one's mettlenext
as in intent
fully committed to achieving a goal They could see that he was on his mettle before the big game.

Synonyms & Similar Words

Relevance
  • intent
  • determined
  • resolute
  • positive
  • bent (on or upon)
  • firm
  • decisive
  • resolved
  • out
  • confident
  • purposeful
  • hell-bent (on or upon)
  • bound
  • serious
  • single-minded
  • adamant
  • do-or-die
  • bitter
  • set
  • certain
  • earnest
  • willful
  • persistent
  • hard
  • steady
  • sure
  • vehement
  • unwavering
  • hardened
  • stubborn
  • rigid
  • unfaltering
  • unswerving
  • unrelenting
  • uncompromising
  • unyielding
  • headstrong
  • inflexible
  • perverse
  • obdurate
  • immovable
  • tenacious
  • dogged
  • implacable
  • hardheaded
  • unbending
  • cocksure
  • unhesitating
  • pigheaded
  • mulish
  • adamantine
  • self-willed
  • pertinacious

Antonyms & Near Antonyms

  • unresolved
  • undetermined
  • suspicious
  • wavering
  • faltering
  • indecisive
  • doubtful
  • uncertain
  • hesitant
  • unsettled
  • dubious
  • skeptical
  • distrustful
  • irresolute
  • unconvinced
  • vacillating
  • reluctant
  • unsure
  • undecided
  • mistrustful
  • weak-kneed
  • loath
  • indisposed
  • disinclined

Browse Nearby Words

on one's doorstep
on one's mettle
on one's own
See all Nearby Words

Cite this Entry

“On one's mettle.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/on%20one%27s%20mettle. Accessed 7 Jul. 2026.

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