# sibo

> English word · Interjection · IPA /siː˨ boː˨˦/

## Definitions
1. An expression of disbelief, equivalent to Is it so?

## Etymology
Derived from Hokkien 是無／是无 (sī-bô, “is not”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sibo