326 entries under adjective topic. ×

1
indefatigable(strong, firm, determined, steady)
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indomitable(strong, firm, determined, steady)
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industrious(energetic, active, vigorous, cheerful)
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inexhaustible(strong, firm, determined, steady)
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informed(alert, familiar, wise, knowledgeable)
1
intrepid(energetic, daring, resourceful, innovative)
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involved(bright, energetic, active, vigorous)
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itching(energetic, daring, resourceful, innovative)
1
jocund(bright, happy, energetic, active)
1
jolly(happy, merry, cheerful, joyful)
1
jovial(happy, merry, cheerful, joyful)
1
joyful(happy, merry, cheerful, cheery)
1
joyous(happy, merry, cheerful, joyful)
1
jubilant(happy, merry, cheerful, joyful)
1
juiced up(expression, happy, merry, cheerful)
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jumping(strong, happy, firm, energetic)
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know-how(alert, familiar, wise, knowledgeable)
1
know the score(expression, idiom, alert, familiar)
1
knowing(alert, familiar, wise, knowledgeable)
1
knowledgeable(alert, familiar, wise, responsive)
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APASmart Define. (2015). go-go thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/go-go/thesaurus/synonyms
ChicagoSmart Define. 2015. "go-go thesaurus" https://smartdefine.org/go-go/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, go-go thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/go-go/thesaurus/synonyms>.
MLASmart Define. "go-go thesaurus" 22 December 2015. Web. 28 September 2026. <https://smartdefine.org/go-go/thesaurus/synonyms>