The difference between Decent and Inadequate

When used as adjectives, decent means appropriate, whereas inadequate means not adequate.

Inadequate is also noun with the meaning: an individual who is inadequate.

check bellow for the other definitions of Decent and Inadequate

Decent as an adjective (obsolete):

Appropriate; suitable for the circumstances.
Decent as an adjective (of a person):

Having a suitable conformity to basic moral standards; showing integrity, fairness, or other characteristics associated with moral uprightness.
Decent as an adjective (informal):

Sufficiently clothed or dressed to be seen.

Examples:

"Are you decent? May I come in?"
Decent as an adjective:

Fair; good enough; okay.

Examples:

"He's a decent saxophonist, but probably not good enough to make a career of it."
Decent as an adjective:

Significant; substantial.

Examples:

"There are a decent number of references out there, if you can find them."
Decent as an adjective (obsolete):

Comely; shapely; well-formed.

Examples:

"A sable stole of cyprus lawn / Over thy decent shoulders drawn"

Inadequate as an adjective:

Not adequate; not fit for the purpose

Examples:

"synonyms: insufficient deficient Thesaurus:inadequate"

"'inadequate resources"

"'inadequate representation"