The difference between Bottomless and Topless

When used as adjectives, bottomless means having no bottom, whereas topless means lacking a top.

Topless is also noun with the meaning: a convertible car having the top retracted or otherwise open.

Topless is also adverb with the meaning: not wearing any clothes on the upper body.

check bellow for the other definitions of Bottomless and Topless

Bottomless as an adjective:

Having no bottom.
Bottomless as an adjective:

Extremely deep.
Bottomless as an adjective:

Having no bounds; limitless.

Examples:

"The restaurant offered bottomless drinks."
Bottomless as an adjective:

Difficult to understand; unfathomable.
Bottomless as an adjective:

Not wearing clothes below the waist; particularly not wearing clothes that would cover the genitalia.

Topless as an adjective:

Lacking a top.

Examples:

"The sight-seeing bus is topless to allow tourists a better view of the sights."
Topless as an adjective (poetic):

Very high, towering.
Topless as an adjective (chiefly, of a woman):

Not wearing a garment covering the top half of the body; naked from the waist up.

Examples:

"The council voted to allow topless swimmers on the beach."
Topless as an adjective (of a place):

Featuring women that are naked from the waist up, often strippers or dancers.

Examples:

"Only her closest friends knew that Jenny was working at a topless bar to help with college expenses."

Topless as a noun (automotive):

A convertible car having the top retracted or otherwise open.