As adjectives the difference between fustiest and bustiest
is that fustiest is superlative of fusty while bustiest is superlative of busty.
fustiest
English
Adjective
(head)
(fusty)
fusty
English
Adjective
(er)
Moldy or musty.
Stale-smelling or stuffy.
(figuratively, by extension) old-fashioned, refusing to change or update.
(of wine) Tasting of the cask.
Derived terms
* fustily
* fustiness
bustiest
English
Adjective
(head)
(busty)
busty
English
Adjective
(
er)
Having large breasts
- Cor blimey guv'nor, there's a busty blonde yonder!
Synonyms
* big-breasted, bosomy, buxom, full-bosomed, well-stacked