Choose a word from the passage that is closest in meaning to the following word "Unwelcome"

The correct option is forbidding.

To find the word closest in meaning to "unwelcome," we can analyze the definitions of the target word and the available choices:
1. Unwelcome describes something or someone that is not wanted, not appreciated, or disagreeable, often creating an uninviting or hostile feeling.
2. Formal refers to something done in accordance with rules, convention, or etiquette. It does not carry the meaning of being unwanted.
3. Frequently is an adverb meaning commonly or occurring at short intervals, which is unrelated to the tone of being unwelcome.
4. Venue is a noun referring to the place where an event or meeting is held.
5. Forbidding is an adjective used to describe an appearance or aspect that is unfriendly, hostile, threatening, or disagreeable. Since something that is forbidding makes one feel unwelcome or excluded, it is the closest in meaning to "unwelcome."

Therefore, the word that is closest in meaning to "unwelcome" is forbidding.