What does conscienceless mean?
"Conscienceless" is an adjective describing someone who has no conscience — no internal sense of morality, guilt, or remorse to restrain harmful behavior. It is one of the harshest judgments English can pass on a person's character: not merely mistaken or misguided, but fundamentally devoid of moral feeling. The word typically appears in descriptions of villains, exploiters, and wrongdoers in fiction, journalism, and moral commentary, as in "a conscienceless swindler." It derives from "conscience," itself from Latin "conscientia" (knowledge shared with oneself), combined with the suffix "-less," meaning "without." Because it carries such strong negative connotation, it is reserved for genuinely extreme cases of callousness rather than ordinary selfishness or error. Related but distinct terms include "unconscionable," which condemns an act rather than a person, and "unscrupulous," a somewhat milder charge implying flexible ethics rather than their total absence. For writers seeking a vivid, unambiguous label for utter moral coldness, few words serve better.
adjectiveHaving or showing no conscience; lacking any sense of moral right and wrong.
- (Of a person or their actions) having or showing no conscience; utterly without moral scruple or remorse.
"The conscienceless fraudster emptied the pension funds of hundreds of retired teachers without a flicker of remorse."
"The conscienceless landlord let families live in a building he knew was condemned."
"Her conscienceless ambition left a trail of betrayed friends and ruined careers."
A person can be literally "without conscience" — and English has had a word for such people since at least the 1600s.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of conscienceless
"Conscienceless" combines the noun "conscience" with the suffix "-less" ("without"). "Conscience" comes from Latin "conscientia," meaning knowledge shared with oneself, from "conscire" (to know together), built on the root "scire" (to know) — the same root behind "science" and "conscious." The word has been attested in English since at least the seventeenth century, forming alongside other "-less" derivatives that negate an inner faculty.
How conscienceless is actually used
A relatively rare and strongly condemnatory term, more common in literary or journalistic prose than everyday speech. It is applied almost exclusively to people or their conduct, never to abstract objects.
Easily confused with conscienceless
"Unconscionable" describes an act or behavior that violates moral standards, while "conscienceless" describes a person or character lacking a conscience altogether.