86 entries under adjective topic. ×

2
noted(respect, knowledge)
2
portentous
2
prestigious(respect, knowledge)
2
terrifying
2
venturous(vigorous, noble, stout, courageous)
1
audacious
1
bauld
1
bold
1
bounteous
1
brilliant
1
courageous
1
daring
1
doughty
1
eerie(awful, terrible, dreadful)
1
full of mettle
1
gallant
1
ghostlier
1
high-hearted
1
high-mettled
1
high-stomached
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APASmart Define. (2016). redoubtable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/redoubtable/thesaurus/synonyms
ChicagoSmart Define. 2016. "redoubtable thesaurus" https://smartdefine.org/redoubtable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, redoubtable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/redoubtable/thesaurus/synonyms>.
MLASmart Define. "redoubtable thesaurus" 2 March 2016. Web. 24 September 2026. <https://smartdefine.org/redoubtable/thesaurus/synonyms>