fuŝ-

Etymology
From.

Prefix

 * 1)  in a botched, bungled, or ill-conceived manner.
 * 2)  botched, bungled, ill-conceived, ruined.
 * 1)  botched, bungled, ill-conceived, ruined.

Usage notes

 * Unlike the prefix, implies a harsh negative judgment.
 * In traditional Esperanto grammatical terms, fuŝ- is not a true prefix but a verbal root used in compounding.