No, many words have no opposite (such as "grass" or "plaster").
Not all words have synonyms and antonyms. "Whose" happens to be one of those words that doesn't have an antonym.
Antonyms
They are antonyms.
Antonyms
Antonyms
Not all words have synonyms and antonyms. "Whose" happens to be one of those words that doesn't have an antonym.
Not all words have well-defined antonyms.
Antonyms
The difference between syllables, antonyms, and synonyms is that they are all different parts of speech. Syllables refer to a unit of spoken language, synonyms are when there are two different words that share the same meaning, and antonyms are words that have opposite meanings of other words.
antonyms
antonyms
antonyms
They are antonyms.
Antonyms
Antonyms
Antonyms
No they are antonyms