insubstantial
Divide insubstantial into syllables:
in · sub · stan · tial
How to pronounce insubstantial:
Synonyms for insubstantial:
flimsytenuousfineshadowyweakfrailetherealdelicatewraithlikefeebleShow 13 more
Antonyms for insubstantial:
opaqueperceptibleunderstandablecloseobviousstuffysensualhumanserioustouchableShow 15 more
Other 4-syllable words like insubstantial
Here are some other common words that have 4 syllables, like insubstantial does.
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The longest English word without repeated letters, 'uncopyrightable', has seven syllables.
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