Select the most appropriate ANTONYM of the given word.
Colloquial
Answer & explanation
Correct answer: option 4
The most appropriate antonym of the word colloquial is formal.
- Colloquial means informal or conversational in style.
- Formal means following established rules or conventions.
The other words listed are not antonyms of colloquial.
- Informal means not following established rules or conventions.
- Slack means not strict or demanding.
- Slang is informal language that is not considered to be standard.