The difference between Applicable and Appropriate

When used as adjectives, applicable means suitable for application, relevant, whereas appropriate means suitable or fit.

Appropriate is also verb with the meaning: to make suitable.

check bellow for the other definitions of Applicable and Appropriate

Appropriate as an adjective:

Suitable or fit; proper.

Examples:

"The headmaster wondered what an appropriate measure would be to make the pupil behave better."
Appropriate as an adjective:

Suitable to the social situation or to social respect or social discreetness; socially correct; socially discreet; well-mannered; proper.

Examples:

"I don't think it was appropriate for the cashier to tell me out loud in front of all those people at the check-out that my hair-piece looked like it was falling out of place."

"While it is not considered appropriate for a professor to date his student, there is no such concern once the semester has ended."
Appropriate as an adjective (obsolete):

Set apart for a particular use or person; reserved.

Appropriate as a verb (transitive, archaic):

To make suitable; to suit.

Examples:

"rfquote William Paley lang=inline=yes"
Appropriate as a verb (transitive):

To take to oneself; to claim or use, especially as by an exclusive right.

Examples:

"Let no man appropriate the use of a common benefit."
Appropriate as a verb (transitive):

To set apart for, or assign to, a particular person or use, especially in exclusion of all others; with to or for.

Examples:

"A spot of ground is appropriated for a garden."

"to appropriate money for the increase of the navy"
Appropriate as a verb (transitive, British, ecclesiastical, legal):

To annex (for example a benefice, to a spiritual corporation, as its property).

Examples:

"rfquotek Blackstone lang=en"