Yes, past can be an adjective (e.g. our past disagreements). It also may be a noun, or an adverb.
It should not be confused with the homophone "passed" (past tense of to pass).
It is an adjective, and the past tense/past participle of the verb "to code."
It can be an adjective, as it is the past tense/past participle of the verb "to represent."
Silent is an adjective there is no past for it.
Yes it can be used as an adjective.
No, it is not an adjective. Overthrow is a verb. The past participle, "overthrown" can be an adjective.
It can be (confirmed suspicions). It is the past tense and past participle of the verb (to confirm) and can be a verb or an adjective.
It is a past participle which may be used as an adjective: an answered letter can be filed away.
Feared is either a verb or an adjective. It is the past tense and past participle of the verb "to fear" and can be used as an adjective (their feared enemies).
Yes, it is. It is the opposite of the adjective inhibited.The word inhibited is the past tense and past participle of the verb "to inhibited." It can be a verb form or an adjective.
It can be (satisfied customers). It is the past tense and past participle of the verb (to satisfy) and can be an adjective meaning sated or placated.
No, "shut" is a verb or a past participle, not an adjective.
Experimented is a past tense verb, not an adjective. The adjective would be experimental.