anomalous

As adjectives the difference between anomalous and unsystematic

is that anomalous is deviating from the normal; aberrant or abnormal while unsystematic is not systematic.

Unconventional is a related term of anomalous.

As adjectives the difference between unconventional and anomalous

is that unconventional is not adhering to convention or accepted standards while anomalous is deviating from the normal; aberrant or abnormal.

As a noun unconventional

is something or someone that is unconventional.

Shapeless is a related term of anomalous.

As adjectives the difference between shapeless and anomalous

is that shapeless is without shape while anomalous is deviating from the normal; aberrant or abnormal.

As adjectives the difference between eccentric and anomalous

is that eccentric is not at or in the centre; away from the centre while anomalous is deviating from the normal; aberrant or abnormal.

As a noun eccentric

is one who does not behave like others.

Characterless is a related term of anomalous.

As adjectives the difference between characterless and anomalous

is that characterless is having no distinguishing character or quality while anomalous is deviating from the normal; aberrant or abnormal.

As an adjective anomalous

is deviating from the normal; aberrant or abnormal.

As a noun standard is

.

As a noun taxonomy

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

As an adjective anomalous is

deviating from the normal; aberrant or abnormal.

Irregular is a synonym of anomalous.

As adjectives the difference between anomalous and irregular

is that anomalous is deviating from the normal; aberrant or abnormal while irregular is nonstandard; not conforming to rules or expectations.

As a noun irregular is

a soldier who is not a member of an official military force and, often, does not follow regular army tactics.