OXFORD DICTIONARY
Adjective, n. & adj.
--n. a word or phrase naming an attribute, added to or grammatically related to a noun to modify it or describe it.
--adj. additional; not standing by itself; dependent.
adjectival adj. adjectivally adv.
ME f. OF adjectif -ive ult. f. L adjicere adject- (as AD-, jacere throw)
THESAURUS
Adjective
adjectival, adverb, adverbial, adversative conjunction, attributive, conjunction, conjunctive adverb, coordinating conjunction, copulative, copulative conjunction, correlative conjunction, disjunctive, disjunctive conjunction, exclamatory noun, form class, form word, function class, gerundive, interjection, part of speech, participle, particle, past participle, perfect participle, preposition, present participle, subordinating conjunction, verbal adjective
ROGET THESAURUS
Adjective
Adjunct
N
adjunct, addition, additament, additum, affix, appelidage, annexe, annex, augment, augmentation, increment, reinforcement, supernumerary, accessory, item, garnish, sauce, accompaniment, adjective, addendum, complement, supplement, continuation, rider, offshoot, episode, side issue, corollary, piece, flap, lappet, skirt, embroidery, trappings, cortege, tail, suffix, wing, additional, alate, alated, winged, in addition.