listeme

As a noun listeme

is (linguistics) an item that is memorized as part of a list, as opposed to being generated by a rule.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between lemma and listeme

is that lemma is lemma (mathematics: proposition used mainly in the proof of some other proposition) while listeme is (linguistics) an item that is memorized as part of a list, as opposed to being generated by a rule.

As nouns the difference between dictionary and listeme

is that dictionary is a reference work with a list of words from one or more languages, normally ordered alphabetically and explaining each word's meaning and sometimes containing information on its etymology, usage, translations and other data while listeme is (linguistics) an item that is memorized as part of a list, as opposed to being generated by a rule.

As a verb dictionary

is (label) to look up in a dictionary.

As nouns the difference between intention and listeme

is that intention is a course of action that a person intends to follow while listeme is (linguistics) an item that is memorized as part of a list, as opposed to being generated by a rule.