different between shameless vs obnoxious

English

Etymology

From Middle English shameles, shamelees, schameles, schomeles, schomeleas, from Old English s?aml?as, s?eaml?as (“without shame; shameless”), from Proto-Germanic *skamalausaz (“shameless”), equivalent to shame +? -less. Cognate with West Frisian skamteleas (“shameless”), Dutch schaamteloos (“shameless”), German schamlos (“shameless”), Danish skamløs (“shameless”), Swedish skamlös (“shameless”), Icelandic skammlaus (“shameless; unashamed”).

Adjective

shameless (comparative more shameless, superlative most shameless)

1. Having no shame, no guilt nor remorse over something considered wrong; immodest; unable to feel disgrace.

Derived terms

• shamelessly
• shamelessness

Translations

English

Alternative forms

• obnoctious (obsolete)

Etymology

From Latin obnoxi?sus (“hurtful, injurious, dangerous”), from obnoxius (“punishable; liable to danger”), from ob (“against; facing”) + noxia (“hurt, injury, damage”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?b?n?k??s/
• (General American) IPA^(key): /?b?n?k??s/

Adjective

obnoxious (comparative more obnoxious, superlative most obnoxious)

1. Extremely unpleasant or offensive; very annoying, odious or contemptible.

2. (archaic) Exposing to harm or injury.
   • 1661, Robert Boyle, The Sceptical Chymist, page 26,

     To begin then with his Experiment of the burning Wood, it seems to me to be obnoxious to not a few considerable Exceptions.

Synonyms

• annoying    [WS]
• unpleasant    [WS]

Related terms

Translations

Further reading

• Douglas Harper (2001–2021) , “obnoxious”, in Online Etymology Dictionary