unmanageable vs difficult

unmanageable and difficult both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unmanageable	No	Yes	No	No
difficult	No	Yes	No	No

As adjectives, unmanageable and difficult are synonyms defined as:

unmanageable (adjective)	difficult (adjective)
hard to control	not easy; requiring great physical or mental effort to accomplish or comprehend or endure
difficult to use or handle or manage because of size or weight or shape	hard to control
incapable of being controlled or managed
difficult to solve or alleviate