Today's Word

Perfidious

per-FID-ee-uhs

Definition

(adjective) Deceitful and untrustworthy; deliberately disloyal.

Example

His perfidious actions during the negotiation shocked even his rivals.

Word Origin

Late Middle English: from Old French perfidieux, from Latin perfidiosus, from perfidia ‘treachery’, based on per- ‘through’ + fides ‘faith’.

Fun Fact

Perfidious isn’t your average insult. It suggests a deep and knowing betrayal, often by someone who pretended to be loyal. Historically, it was used in diplomacy and politics—perfidious Albion was a nickname used by the French to accuse Britain of double-dealing. It shows up in literature, courtroom speeches, and bitter breakups. This isn’t just someone who disappointed you—it’s someone who knew exactly what they were doing.

Previous Words

Welter

Today's Word

Welter

WEL-ter

Definition

(noun/verb) A large, disordered mass or quantity of something; a confused, turbulent state of affairs.

Example

She returned from the conference with a welter of contradictory advice, conflicting data, and competing priorities that somehow all needed to be acted on simultaneously.

Word Origin

Welter derives from the Middle Low German or Middle Dutch welteren, meaning “to roll” or “to toss” — related to the Old English wieltan, meaning “to overturn.” It entered English in the 14th century, initially as a verb meaning to roll or toss in waves before acquiring its noun sense of a confused, turbulent mass. The nautical origin is fitting — a welter has the quality of something churned by water, perpetually in motion, resistant to any organizing principle.

Fun Fact

Welterweight — the boxing weight class between lightweight and middleweight — takes its name directly from this word, though the precise connection is debated. One theory holds that welterweight originally described a particularly heavy blow — a welter — suggesting fighters in this class hit with exceptional force relative to their size. Another traces it to the agricultural term welt, describing a heavy stroke. Whatever its origin, the weight class has produced some of boxing’s most celebrated champions — Sugar Ray Robinson, Thomas Hearns, and Oscar De La Hoya among them — making welterweight arguably the most historically rich division in the sport, which is a welter of greatness by any measure.

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Perfidious

Definition

Example

Word Origin

Previous Words

Welter

Welter

Definition

Example

Word Origin

Welter

Supercilious

Pallid

Prosaic

Trenchant