An antonym means an "opposite." The opposite of young is old.
Old, aged, elderly.
The two antonyms for the word "old" are "new" and "young."
new, modern, young
The antonyms for the word "guru" could include words like novice, beginner, or amateur.
The words "wet" and "dry" are antonyms.There, I just used an example of the word, antonyms, and the thing, antonyms in a sentence
Some words do not have opposites [antonyms]. The word "where" has no antonym.
Synonyms are the different words that mean the same thing. Like for the word mean, a synonym would be unkind. Antonyms are words that mean the opposite of a word. For the word mean, an antonym might be nice.
There are no antonyms for nouns, but the word "sedan" might work.
Synonyms are words that mean the same or almost the same thing. Some synonyms for the word "numerous" would be: many, a lot of, several. Antonyms are words that are opposites. Some antonyms for the word "numerous" would be: few, little, a handful of.
Synonyms for the word symbol are icon, sign, logo, or emblem. There actually aren't many antonyms for the word symbol.
Some words do not have direct opposites [antonyms]. The word "if" has no antonym.
Some words do not have direct opposites [antonyms]. The word "who" has no antonym.
Some words do not have direct opposites [antonyms]. The word "what" has no antonym.