yes. acting principal, acting president etc.
The adjective forms for the verb to act are active, acting, and acted.
Neighbor can act as a noun and as an adjective. Example (adjective): The neighbor units are labeled with "adjacent".
acted
Yes, the possessive form of a proper noun can act as an adjective.
No. Associate can be a noun, or a verb. The word "associated" can act as an adjective.
no it can not get act for an adjective a noun is a preson, place or thing Yes. A noun may act as an adjective. A Muslim Ruler, A Christian Priest, An Arab camel, Pakistan Cricket team. A hockey stick, etc.
The adjective "expectative" refers to the act of expecting. The adjective "expectational" refers to expectations in general.
adverbial clause
No. Act is a noun, or verb. There is an adjective "active" which has the adverb form "actively."
Moving is the present participle of the verb (to move) and can act as an adjective (moving target). A related derivative adjective is movable.
It depends on the noun or adjective form. The adverb form of the adjective "active" is "actively."
In uses such as "balancing act" it could be considered a noun adjunct rather than an adjective.