260 entries under adjective topic. ×

1
likely(advance, view, success, perhaps)
1
lion-hearted
1
long-range(advance, view, success, perhaps)
1
long-term(advance, view, success, perhaps)
1
longterm(advance, view, success, perhaps)
1
lucrative(advance, view, success, perhaps)
1
manful
1
manly
1
mettled
1
mettlesome
1
most advanced(advance, view, success, perhaps)
1
murder(great, tough, difficult, terrible)
1
nervy
1
obstructive
1
of great moment(importance, valuable, main, notable)
1
of importance(importance, valuable, main, notable)
1
offensive(stimulating, disturbing, provoking)
1
on the map(importance, valuable, main, notable)
1
operose(tough, severe, difficult, awkward)
1
oppositional
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APASmart Define. (2016). challenging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, challenging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>.
MLASmart Define. "challenging thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms>