Adjectivally

of, relating to, or used as an .
describing by means of many ; depending for effect on intensive qualification of subject matter, as a writer, style, or essay.
Grammar. any member of a class of words that modify nouns and pronouns, primarily by describing a particular quality of the word they are modifying, as wise in a wise grandmother, or perfect in a perfect score, or handsome in He is extremely handsome. Other terms, as numbers (one cup; twelve months), certain demonstrative pronouns (this magazine; those questions), and terms that impose limits (each person; no mercy) can also function adjectivally, as can some nouns that are found chiefly in fixed phrases where they immediately precede the noun they modify, as bottle in bottle cap and bus in bus station.
Synonyms: modifier, qualifier, identifier, describer, describing word.
pertaining to or functioning as an adjective; :
the adjective use of a noun.
Law. concerning methods of enforcement of legal rights, as pleading and practice (opposed to ).
(of dye colors) requiring a mordant or the like to render them permanent (opposed to ).
Archaic. not able to stand alone; dependent:
Women were seen by some (by some men, that is) as adjective creatures, needing to be cared for and protected from the vicissitudes of life.
Historical Examples

Our special correspondents in London glory in it, and rival each other, adjectivally, in describing it.
An American Girl in London Sara Jeannette Duncan

noun

a word imputing a characteristic to a noun or pronoun
(as modifier): an adjective phrase, adj

adjective
additional or dependent
(of law) relating to court practice and procedure, as opposed to the principles of law dealt with by the courts Compare substantive (sense 7)
adj.

1797, from adjective + -al (1).

late 14c., as an adjective, “adjectival,” in noun adjective, from Old French adjectif (14c.), from Latin adjectivum “that is added to (the noun),” neuter of adjectivus “added,” from past participle of adicere “to throw or place (a thing) near,” from ad- “to” (see ad-) + comb. form of iacere “to throw” (see jet (v.)). Also as a noun from late 14c. (adjectives not clearly distinguished from nouns in Middle English). In 19c. Britain, the word itself often was a euphemism for the taboo adjective bloody.

They … slept until it was cool enough to go out with their ‘Towny,’ whose vocabulary contained less than six hundred words, and the Adjective. [Kipling, “Soldiers Three,” 1888]

A part of speech that describes a noun or pronoun. Adjectives are usually placed just before the words they qualify: shy child, blue notebook, rotten apple, four horses, another table.

adjective

Euphemistic substitute for an expletive adjective: You adjectival idiot! (1850+)