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Dictionary.com

of substance

ADJECTIVE
important
Synonyms
STRONGEST
big major serious significant valuable weighty
STRONG
consequential earnest epochal far-reaching front-page historic material momentous of consequence of moment page-one paramount relevant salient seminal substantial
WEAK
decisive determining fateful grave heavy of note
Antonyms
STRONG
inappreciable insignificant little negligible small trifling trivial unimportant unsubstantial
ADJECTIVE
newsworthy
Synonyms
STRONGEST
consequential front-page meaningful momentous relevant
WEAK
critical crucial essential far-reaching great influential material of note paramount serious significant urgent vital
Antonyms
STRONGEST
insignificant unimportant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Ultimately, this will end up depending upon the amount of substance behind the investigation and whether there is anything there at the end of the day.”

From The Wall Street Journal • Jan. 13, 2026

His team were hit on the counter, his defence ripped apart, his hopes of asserting himself as a manager of substance cast to the wind.

From BBC • Dec. 14, 2025

But that only works if there’s something of substance to cast off in the first place.

From The Wall Street Journal • Oct. 17, 2025

After all, we too are drawn to violent, meaningless spectacle to distract us from matters of substance.

From Los Angeles Times • Jan. 16, 2025

I’m supposed to be a person of substance.

From "Cat's Eye" by Margaret Atwood