Quenya 

saucarë

doing or making a thing very badly

saucarë noun "doing or making a thing very badly" (PE17:183)

saucarë

noun. doing or making a thing very badly

A word for “doing or making a thing very badly” appearing in Definitive Linguistic Notes (DLN) from 1959, illustrating the use of the prefix sau- “badly”. It can be contrasted with loikare “mistaken action” and uskare “doing wrong” from the same document. These probably all function as nouns, but likely originate as infinitives of the verb car- “do”.