The word "outdoors" is an adverb and does not have a specific noun or verb form. However, "outdoor" is the adjective form of the word. Examples of word forms related to "outdoors" could be "outdoor activity" (noun phrase) or "to go outdoors" (verb phrase).

outdoors本身就是副词和名词形式,就是adv在户外,n户外的意思 而形容词就是outdoor户外的,露天的,野外的意思