adjectives to be derived from nouns, as in boyish, birdlike, behavioral (behavioural), famous, manly, angelic, and so on. In Australian Aboriginal languages, the distinction between adjectives and nouns is typically thought weak, and many of the languages only use nouns--or nouns with a limited set of adjective-deriving affixes--to modify other nouns. In languages that have a subtle adjective-noun distinction, one way to tell them apart is that a modifying adjective can come to stand in for an entire elided noun phrase, while a modifying noun cannot. For example, in Bardi, the adjective moorrooloo 'little' in the phrase moorrooloo baawa 'little child' can stand on its own to mean 'the little one,' while the attributive noun aamba 'man' in the phrase aamba baawa 'male child' cannot stand for the whole phrase to mean 'the male one.' In other languages, like Warlpiri, nouns and adjectives are lumped together beneath the nominal umbrella because of their shared syntactic distribution as arguments of predicates. The only thing distinguishing them is that some nominals seem to semantically denote entities (typically nouns in English) and some nominals seem to denote attributes (typically adjectives in English). Many languages have participle forms that can act as noun modifiers either alone or as the head of a phrase. Sometimes participles develop into functional usage as adjectives. Examples in English include relieved (the past participle of relieve), used as an adjective in passive voice constructs such as "I am so relieved to see you". Other examples include spoken (the past participle of speak) and going (the present participle of go), which function as attribute adjectives in such phrases as "the spoken word" and "the going rate". Other constructs that often modify nouns include prepositional phrases (as in "a rebel without a cause"), relative clauses (as in "the man who wasn't there"), and infinitive phrases (as in "a cake to die for"). Some nouns can also take complements such as content clauses (as in "the idea that I would do that"), but these are not commonly considered modifiers. For more information about possible modifiers and dependents of nouns, see Components of noun phrases. Order In many languages, attributive adjectives usually occur in a specific order. In general, the adjective order in English can be summarised as: opinion, size, age or shape, colour, origin, material, purpose. Other language authorities, like the Cambridge Dictionary, state that shape precedes rather than follows age. Determiners