ISEE/SSAT Vocabulary Builder›Words›S›substantial
ISEE/SSATeasy
substantial
large, important, or enough to matter
Synonyms
- large
- significant
- considerable
Antonyms
- small
- minor
- trivial
substantial in a sentence
The project required a substantial amount of research.
The revised essay showed substantial progress from the first draft.
Where it comes from
From Latin substantia 'substance, essence', from substare 'to stand firm'.
Memory hook
Substantial has substance: it is big enough to count.
Word parts
- sub — under
substantial: sub- (under) + stan (stand)
Read it in context
- Gardens Beneath the Forest Nature
Practice substantial in the app