As adjectives the difference between mottled and undefined

is that mottled is colored in patches; spotted while undefined is lacking a definition or value.

As a verb mottled

is (mottle).

As a verb intrude

is to thrust oneself in; to come or enter without invitation, permission, or welcome; to encroach; to trespass.

As an adjective undefined is

lacking a definition or value.

As a noun mule

is mouth.

As an adjective undefined is

lacking a definition or value.

As a noun befall

is infestation.

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between beautyful and undefined

is that beautyful is while undefined is lacking a definition or value.

As a noun monday

is the first day of the week in systems using the norm and second day of the week in many religious traditions it follows sunday and precedes tuesday.

As an adverb monday

is on monday.

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between callous and oppressive

is that callous is emotionally hardened; unfeeling and indifferent to the suffering/feelings of others while oppressive is burdensome or difficult to bear.

As adjectives the difference between catching and undefined

is that catching is (informal) contagious while undefined is lacking a definition or value.

As a verb catching

is .

As a noun catching

is the action of the verb catch.

As a noun teaching

is something taught by a religious or philosophical authority.

As a verb teaching

is .

As an adjective undefined is

lacking a definition or value.

As a noun teachings

is the particular message or curriculum that is taught often used in the form: the teachings of x.

As an adjective undefined is

lacking a definition or value.