Today's Word

Fallacy

FAL-uh-see

Definition

(noun) A mistaken belief or flawed line of reasoning that appears convincing but leads to an incorrect conclusion.

Example

The claim that because something is natural it must be safe is a well-known fallacy.

Word Origin

From Latin fallacia, meaning “deceit, trick, artifice,” derived from fallax (“deceitful”), from fallere (“to deceive, to trip up”). The same root gives us “fail,” “false,” “fault,” and “infallible.” A fallacy, at its etymological core, is something that trips you up — a deceptive stumble built into the reasoning itself.

Fun Fact

Aristotle catalogued the first formal list of fallacies in Sophistical Refutations around 350 BCE, identifying 13 types of faulty argument. Today, logicians have catalogued over 100 recognized fallacies — from the ad hominem (attacking the person rather than the argument) to the slippery slope to the Texas sharpshooter (cherry-picking data to support a predetermined conclusion). In an era of social media and rapid-fire debate, being able to name and identify a fallacy on the spot is considered one of the most practically useful intellectual tools a person can develop.

Previous Words

Supine

Today's Word

Supine

SOO-pyne

Definition

(adjective) Failing to act or resist; passive and yielding, especially when action is urgently needed.

Example

The board’s supine response to the mounting crisis — endless meetings, no decisions, no accountability — allowed a manageable problem to become a catastrophic one.

Word Origin

Supine derives from the Latin supinus, meaning “lying face upward” or “thrown backward,” rooted in the same base as sub- (“under”). It entered English in the 15th century with both its literal meaning — lying flat on one’s back — and its figurative sense of moral or intellectual passivity. The physical image is the etymology: a person flat on their back, facing the sky, unable or unwilling to rise and meet what’s coming.

Fun Fact

The Roman Senate’s increasingly supine relationship with Julius Caesar is considered by historians to be one of the pivotal failures of the Roman Republic. As Caesar accumulated unprecedented power — declaring himself dictator perpetuo, or dictator in perpetuity — senators who had the authority and the votes to resist instead did nothing, each waiting for someone else to act first. By the time a group finally did act on the Ides of March in 44 BCE, it was too late to save the Republic they were trying to protect. The assassination triggered a civil war that ended with Augustus becoming Rome’s first emperor — proving that supine inaction can be just as consequential as any decision ever made.

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Fallacy

Definition

Example

Word Origin

Previous Words

Supine

Supine

Definition

Example

Word Origin

Supine

Anachronistic

Perfidious

Equivocate

Acumen