Number of syllables in the word 'hello'

1. No of syllables in hello : 2
2. Divide syllables in hello : hel-lo

More about the word - hello

1. noun
2. Synonyms : greeting
3. Definition : "Hello!" or an equivalent greeting.

1. verb
2. Definition : To greet with "hello".

1. interjection
2. Definition : A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
3. Definition : A greeting used when answering the telephone.
4. Definition : A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.
5. Definition : Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.

Sources:

• https://en.wiktionary.org/wiki/hello