meaningless

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective meaningless is

lacking meaning.

Meaningless is a synonym of trivial.

As adjectives the difference between trivial and meaningless

is that trivial is ignorable; of little significance or value while meaningless is lacking meaning.

As a noun trivial

is any of the three liberal arts forming the trivium.

As adjectives the difference between meaningless and importless

is that meaningless is lacking meaning while importless is meaningless.

As an adjective meaningless

is lacking meaning.

As a noun nonversation is

a meaningless conversation.

As adjectives the difference between meaningless and jabberwocky

is that meaningless is lacking meaning while jabberwocky is meaningless, worthless.

As adjectives the difference between meaningless and informationless

is that meaningless is lacking meaning while informationless is devoid of information; meaningless.

As an adjective meaningless

is lacking meaning.

As a noun cyberbabble is

(informal|derogatory) obscure or meaningless talk about cyber topics.