Adjective phrase

An 'adjective phrase' (or adjectival phrase) is a phrase whose head word is an adjective, e.g. fond of steak, very happy, quite upset about it, etc. The adjective in an adjective phrase can initiate the phrase (e.g. fond of steak), conclude the phrase (e.g. very happy), or appear in a medial position (e.g. quite upset about it). The dependents of the head adjective—i.e. the other words and phrases inside the adjective phrase—are typically adverbs or prepositional phrases, but they can also be clauses (e.g. louder than you do). Adjectives and adjective phrases function in two basic ways in clauses, either attributively or predicatively. When they are attributive, they appear inside a noun phrase and modify that noun phrase, and when they are predicative, they appear outside the noun phrase that they modify and typically follow a linking verb

The adjective phrases are underlined in the following example sentences, the head adjective in each of these phrases is in bold, and how the adjective phrase is functioning—attributively or predicatively—is stated to the right of each example:

The distinguishing characteristic of an attributive adjective phrase is that it appears inside the noun phrase that it modifies. An interesting trait of these phrases in English is that an attributive adjective alone generally precedes the noun, e.g. a proud man, whereas a head-initial or head-medial adjective phrase follows its noun, e.g. a man proud of his children. A predicative adjective (phrase), in contrast, appears outside of the noun phrase that it modifies, usually after a linking verb, e.g. The man is proud.

The term adjectival phrase is sometimes used instead of adjective phrase. However, there is tendency to call a phrase an adjectival phrase in such a case where that phrase is functioning like an adjective phrase would, but does not contain an actual adjective. For example, in Mr Clinton is a man of wealth, the prepositional phrase of wealth modifies a man the way an adjective would, and it could be reworded with an adjective, e.g. Mr Clinton is a wealthy man. Similarly, that boy is friendless (the adjective "friendless" modifies the noun "boy") and That boy is without a friend (a prepositional phrase where "without a friend" modifies "boy").

Similarly, the term adjectival phrase is commonly used for any phrase in attributive position, whether it is technically an adjective phrase, noun phrase, or prepositional phrase. These may be more precisely distinguished as phrasal attributives or attributive phrases. This definition is commonly used in English style guides for writing, where the terms attributive and adjective are frequently treated as synonyms, because attributive phrases are typically hyphenated, whereas predicative phrases generally are not, despite both modifying a noun. (See compound modifier and English compound § Hyphenated compound modifiers.)

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