хіба

Etymology 1
.

Noun

 * 1) mistake, error; fault

Particle

 * 1) perhaps, maybe
 * 2) as if something that the speaker deems highly unlikely,
 * 1) as if something that the speaker deems highly unlikely,
 * 1) as if something that the speaker deems highly unlikely,

Conjunction

 * 1) unless

Etymology
..

Particle

 * 1) perhaps, maybe
 * 2) really?, is it possible?, indeed

Conjunction

 * 1) unless