What does faultlessly mean?
Faultlessly is an adverb meaning in a manner entirely free of errors, defects, or imperfections. It is the adverbial form of the adjective 'faultless', which describes something perfect or without flaw. The word is typically used to praise the quality of an action or performance: a pianist might play a difficult passage faultlessly, a diplomat might behave faultlessly under pressure, or a guest might be faultlessly dressed and courteous. Its connotations are strongly positive but somewhat formal, suggesting polish, discipline, and high standards rather than warmth or enthusiasm. It shares its ultimate origin with the word 'fault' itself — both trace back through Old French to the Latin verb 'fallere', meaning to deceive or disappoint — making it a word about perfection built on a root of failure. In everyday use it overlaps heavily with the synonyms 'flawlessly' and 'perfectly', though it remains slightly less common than either.
adverbIn a manner that is entirely free of faults or errors; perfectly. Used to describe actions, performances, or things executed without any flaw.
- In a way that is completely free from errors, defects, or imperfections; with flawless precision or correctness.
"She spoke faultlessly in French throughout the entire interview."
"The pianist executed the fiendishly difficult passage faultlessly."
"He was faultlessly courteous to every guest, no matter how demanding."
Hidden inside 'faultlessly' is the Latin verb 'fallere' — to deceive — the same root that gives us 'fail' and 'fallible': a word about perfection built on a root of error.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of faultlessly
'Faultlessly' derives from 'faultless' plus the adverbial suffix '-ly'. 'Faultless' comes from 'fault', which entered English via Old French 'faute' in the medieval period, ultimately stemming from the Latin verb 'fallere' (to deceive, disappoint, or fail). The same Latin root produced English words such as 'fail', 'fallible', and 'default' (via Old French 'defaute'). The adverb has been used since at least the eighteenth century to describe conduct or work of unblemished quality.
Related word forms
How faultlessly is actually used
A formal-to-neutral adverb carrying strongly positive connotations of polish and precision. It most often describes behaviour, manners, speech in a foreign language, and skilled performances. Less common in casual conversation than its synonym 'flawlessly'.
Easily confused with faultlessly
'Fearlessly' means without fear, while 'faultlessly' means without error or defect; the two differ in both meaning and spelling despite their similar rhythm.