Number of syllables in the word 'only'

1. No of syllables in only : 2
2. Divide syllables in only : on-ly

More about the word - only

1. noun
2. Definition : An only child.

1. adjective
2. Synonyms : lone, sole, nonpareil, peerless, unequaled
3. Definition : Alone in a category.
4. Definition : Singularly superior; the best.
5. Definition : Without sibling; without a sibling of the same gender.
6. Definition : Mere.

1. adverb
2. Definition : Without others or anything further; exclusively.
3. Definition : No more than; just.
4. Definition : As recently as.
5. Definition : Used to express surprise or consternation at an action.

1. conjunction
2. Definition : Under the condition that; but.
3. Definition : But; except.

Sources:

• https://en.wiktionary.org/wiki/only