名詞 demerit:

1. a mark against a person for misconduct or failure; usually given in school or armed forces
2. the quality of being inadequate or falling short of perfection
   同義詞：fault

de.mer.it

n.（名詞）

A quality or characteristic deserving of blame or censure; a fault.
錯處，過失：應受譴責或批評的品質(zhì)或性格；過失
Absence of merit.
缺點：美德的缺失
A mark made against one`s record for a fault or for misconduct.
記過：因某人的過失或行為不檢點而在其檔案中作的標記

來源：
Middle English demerite [offense]
中古英語 demerite [冒犯]
from Old French desmerite
源自 古法語 desmerite
from Latin dômeritum [from neuter past participle of] dômerôre [to deserve]
源自 拉丁語 dômeritum [] 源自dômerôre的中性過去分詞 [應得]
dô- [de-]
dô- [前綴，表示.離開，除去.]
merôre [to earn] * see merit
merôre [獲得] *參見 merit

【引伸】
demer.ito.rious
demer.ito.riously
adv.（副詞）