As adjectives the difference between unfavourable and unpropitious
is that unfavourable is not approved of while unpropitious is not propitious; unfavourable, untimely.
unfavourable
English
Alternative forms
*unfavorable
Adjective
(
en adjective)
not approved of
(of wind or weather) opposing or hindering
Antonyms
*favourable
Related terms
*unfavourably
unpropitious
English
Adjective
(
en adjective)
not propitious; unfavourable, untimely
Derived terms
* unpropitiously
* unpropitiousness