唔
wúm

hold in mouth

Senses

唔 wú [interjection]

Shows agreement, realization, or surprise; similar to "mm-hmm" or "oh" in English

唔 m not

(Cantonese) Equivalent to Mandarin 不 bù, indicating negation

唔 wú [onomatopoeia]

Used in 咿唔 yī​wú to represent the sound of reading or chanting aloud

References

same_as 唔/唔 → 不/不