As a noun ravioli

is small square parcels of pasta filled with meat, cheese, spinach etc.

As an adjective undefined is

lacking a definition or value.

As a noun equation

is equation (assertion).

As an adjective undefined is

lacking a definition or value.

As a noun larp

is (games|acronym) live-action role-playing.

As a verb larp

is (games|acronym) to engage in live-action role-play.

As an adjective undefined is

lacking a definition or value.

As a noun toddler

is a young human being who has started walking but not fully mastered it, typically two to three years old.

As an adjective undefined is

lacking a definition or value.

As a proper noun girl

is (astronomy) a chinese constellation located near aquarius, one of the 28 lunar mansions and part of the black turtle.

As an adjective undefined is

lacking a definition or value.

As a noun variables

is .

As an adjective undefined is

lacking a definition or value.

As a noun hessian

is hessian matrix.

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between unattainable and undefined

is that unattainable is impossible to attain or reach; inaccessible, unobtainable or unapproachable; unable to accomplish; beyond limit while undefined is lacking a definition or value.

As a noun unattainable

is anything that cannot be attained.

As a noun wench

is (archaic) a young woman, especially a servant.

As a verb wench

is to frequent prostitutes; to womanize.

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between ghoulish and undefined

is that ghoulish is of or pertaining to ghouls while undefined is lacking a definition or value.