Yes, it can be (video output, video shop). Video (referring to visual or audiovisual recordings or visual displays) can be a noun or an adjective.
I believe that it would be a modifier (adjective) because the noun version of "video" is like a movie or images on a television. However, the adjective version of "video" implies that it has to do with visual sight, and we all know that you use your eyes to play a video game.
The word "portable" can function as an adjective or a noun, depending on how it is used in a sentence. As an adjective, it describes something that is easily carried or moved. As a noun, it refers to a portable object or device.
Yes, the term 'video game' is a common noun, made up of the common noun video, a noun acting as an adjective in this context, and the common noun game. A proper noun would be the name of a specific video game.
It is not. It is an adjective. Popular culture has made it a colloquial verb for deeming a video as one's "favorite" but it is not corret English.
The likely words are the arcade/video game Tekken, or forms of the verb to take:taken - (adjective) removed, seized, stolentaking - removing or seizing
It means a wildly popular video. "Viral" is the adjective form of the noun "virus." Something that's viral is figuratively something that spread from person to person the way a virus spreads a sickness such as a cold or flu. Everyone sent the video to their friends until thousands or millions were watching it.
"Record" can be both a noun and a verb. As a noun, it refers to a written account of an event or achievement. As an adjective, it can describe something that sets a new standard or achievement.
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
It is an adjective.It is a an adjective.
No, it is not an adjective. Differently is an adverb.The adjective would be different.
No. It is not an adjective. An adjective describes something.
Cautious IS an adjective. An adjective is an action!