Unavailing is a related term of disappointing.
As adjectives the difference between unavailing and disappointing
is that unavailing is useless, fruitless, futile while disappointing is that disappoints or disappoint.
As a verb disappointing is
.
disappointing
English
Adjective
(
en adjective)
That disappoints or disappoint.
- disappointing results
Synonyms
* See also
Verb
(head)