名詞 libel:

1. a false and malicious publication printed for the purpose of defaming a living person
2. the written statement of a plaintiff explaining the cause of action (the defamation) and any relief he seeks

動詞 libel:

1. print slanderous statements against

1. His attempt to discredit his opponent boomeranged (on him) when he was charged with libel.
   他企圖敗壞對手名聲反而自食其果，被控以誹謗罪。
2. I'll sue you for libel.
   我要以誹謗罪控告你。
3. That interview was an absolute libel on the honest man.
   那篇報道完全是對那個老實人的誹謗。
4. She sued a newspaper for libel.
   她控告某報刊登誹謗性文字。

li.bel

n.（名詞）

A false publication in writing, printing, or typewriting or in signs or pictures that maliciously damages a person`s reputation.
誹謗：以手寫、印刷、打字或以符號或圖畫形式出現(xiàn)的一種虛假的宣傳，旨在惡意毀壞一個人的名譽
The act or an instance of presenting such a statement to the public.
誹謗：向公眾提供這樣的虛假聲明的行為或事實
The written claims presented by a plaintiff in an action at admiralty law or to an ecclesiastical court.
原告訴狀：在海事法或教會法中，由案件原告提出的書面聲明
v.tr.（及物動詞）
li.beled 或 li.belled li.bel.ing 或 li.bel.ling li.bels 或 li.bels
To communicate a false statement about in writing or by means of signs or pictures.See Synonyms at malign
誹謗：以文字、圖畫或符號的形式散播假聲明參見 malign

來源：
Middle English [litigant`s written complaint]
中古英語 [訴訟當事人的書面控告]
from Old French
源自 古法語
from Latin libellus [diminutive of] liber [book]
源自 拉丁語 libellus [] liber的小后綴 [書]

【引伸】
li.beler 或
li.belist
n.（名詞）