Senses
嗨 hi
(loanword) A greeting used to say hello or to get someone's attention
嗨 hey
Used to express surprise, satisfaction, or praise
嗨 alas
Expresses sadness, regret, or a sigh of frustration; often written as 咳 in this sense.
嗨 heave-ho
A rhythmic shout used when performing heavy physical labor together.
嗨 [filler]
A meaningless filler syllable used in the lyrics of folk songs.
嗨 high
(loanword) A state of excitement or euphoria, either natural or drug-induced.