dapper

As a proper noun jaunty

is (a traditional nickname for a navy master-at-arms).

As an adjective dapper is

neat, trim.

As adjectives the difference between foppish and dapper

is that foppish is like a fop, a man overly concerned with his appearance while dapper is neat, trim.

As adjectives the difference between suave and dapper

is that suave is charming, confident and elegant while dapper is neat, trim.

As a noun suave

is sweet talk.

As an adjective dapper

is neat, trim.

As a noun diaper is

a textile fabric having a diamond-shaped pattern formed by alternating directions of thread.

As a verb diaper is

to put diapers on someone.

As adjectives the difference between dressy and dapper

is that dressy is elegant, smart or stylish while dapper is neat, trim.

As adjectives the difference between swanky and dapper

is that swanky is rather posh, elegant, ritzy while dapper is neat, trim.

As adjectives the difference between dapper and swank

is that dapper is neat, trim while swank is (dated) fashionably elegant.

As a noun swank is

a fashionably elegant person.

As a verb swank is

to swagger, to show off.

As adjectives the difference between dapper and compact

is that dapper is neat, trim while compact is closely packed, ie packing much in a small space.

As a noun compact is

an agreement or contract or compact can be a small, slim folding case, often featuring a mirror, powder and a powderpuff; that fits into a woman's purse or handbag, or that slips into ones pocket.

As a verb compact is

to make more dense; to compress.

As adjectives the difference between classy and dapper

is that classy is elegant, highly stylish or fashionable while dapper is neat, trim.

Dapper is a related term of shapely.

As adjectives the difference between dapper and shapely

is that dapper is neat, trim while shapely is having a pleasing shape, pleasant to look at.