Synonyms|1.4kAntonyms|650|Broader|15Narrower|0Related|2.9k

575 entries under adjective topic. ×

8
purposeful(importance, valuable, main, notable)
8
reliable(calm, strong, secure, tough)
8
remarkable(importance, valuable, main, notable)
8
respectable(reasonable, significant, large, generous)
8
square(enthusiastic, vigorous, sincere, wholehearted)
8
well(strong, complete, tough, easy)
8
well-to-do(calm, quiet, light, smooth)
7
authentic(good, sound, right, reasonable)
7
big shot(importance, valuable, main, notable)
7
big time(importance, main, extremely significant)
7
challenging(importance, valuable, main, notable)
7
copious(give, great, big, full)
7
dense(set, strong, hard, tough)
7
donnish(importance, valuable, main, notable)
7
exciting(importance, valuable, main, notable)
7
extensive(great, big, significant, large)
7
far reaching(importance, valuable, main, notable)
7
haughty(importance, valuable, main, notable)
7
high-up(importance, valuable, main, notable)
7
key-note(importance, valuable, main, notable)
For more, visit Substantial on Power Thesaurus
10 years ago|42k views|share |citing 
APASmart Define. (2016). substantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms>