having an extremely bad reputation: an infamous city.
deserving of or causing an evil reputation; shamefully malign; detestable: an infamous deed.
  1. deprived of certain rights as a citizen, as a consequence of conviction of certain offenses.
  2. of or relating to offenses involving such deprivation.

Origin of infamous

1350–1400; Middle English < Latin infām(is) (see infamy) + -ous
Related formsin·fa·mous·ly, adverbin·fa·mous·ness, noun
Can be confusedfamous infamous notorious (see synonym study at famous)

Synonyms for infamous

Antonyms for infamous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for infamously

notably, spectacularly, especially

Examples from the Web for infamously

Contemporary Examples of infamously

Historical Examples of infamously

  • He has treated her infamously; that is why she will not live with him and does not speak of him.

    Whispering Smith

    Frank H. Spearman

  • How cruel, how infamously unfeeling Ernest thought he had been.

  • I could not contain myself at seeing a lady so infamously insulted.


    Frederick Marryat

  • He has treated me infamously; I will not bother you with that now.


    R. D. Blackmore

  • "She was infamously poisoned last evening," replied the abbe, sadly.

    The Honor of the Name

    Emile Gaboriau

British Dictionary definitions for infamously



having a bad reputation; notorious
causing or deserving a bad reputation; shockinginfamous conduct
criminal law (formerly)
  1. (of a person) deprived of certain rights of citizenship on conviction of certain offences
  2. (of a crime or punishment) entailing such deprivation
Derived Formsinfamously, adverbinfamousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for infamously



late 14c., from Medieval Latin infamosus, from Latin in- "not, opposite of" (see in- (1)) + famosus "celebrated" (see famous). Meaning influenced by Latin infamis "of ill fame" (see infamy). As a legal term, "disqualified from certain rights of citizens in consequence of conviction of certain crimes" (late 14c.). Related: Infamously.

Online Etymology Dictionary, © 2010 Douglas Harper