unabridged vs dictionary

unabridged and dictionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
unabridged	Yes	Yes	No	No
dictionary	Yes	No	No	No

As nouns, dictionary is a hypernym of unabridged; that is, dictionary is a word with a broader meaning than unabridged:

unabridged: a dictionary that has not been shortened by the omitting terms or definitions; a comprehensive dictionary
dictionary: a reference book containing an alphabetical list of words with information about them

Other hypernyms of unabridged include lexicon.

unabridged (noun)	dictionary (noun)
a dictionary that has not been shortened by the omitting terms or definitions; a comprehensive dictionary	a reference book containing an alphabetical list of words with information about them

unabridged (adjective)	dictionary (adjective)
(used of texts) not shortened