Today's Word

Deleterious

del-uh-TEER-ee-uhs

Definition

(adjective) Causing harm or damage, often in a subtle or unexpected way.

Example

Prolonged exposure to stress can have deleterious effects on your health.

Word Origin

Mid 17th century: from medieval Latin deleterius, from Greek dēlētērios ‘noxious’, from dēlētērios (related to destroy or *to hurt’).

Fun Fact

Deleterious is often used when something appears harmless but turns out to be damaging—like sugary drinks, misinformation, or prolonged noise. It’s not the loud crash—it’s the slow rot. You’ll find it in medical journals, legal decisions, and HR handbooks. It’s a favorite when talking about effects that are subtle, cumulative, and serious—without sounding dramatic.

Previous Words

Burble

Today's Word

Burble

BUR-bul

Definition

(noun/verb) A gentle, continuous murmuring sound made by water or a person speaking rapidly and excitedly.

Example

The hikers followed the burble of the stream through the dense forest long before they could see it, the sound guiding them toward water and rest.

Word Origin

Burble is an example of onomatopoeia — a word whose sound imitates the thing it describes. It emerged in Middle English as an imitative word for the sound of bubbling or gurgling water, related to the Old French borboiller, meaning “to bubble.” Lewis Carroll famously used it in Jabberwocky — “the Jabberwock, with eyes of flame, came whiffling through the tulgey wood, and burbled as it came” — cementing its place in the English literary imagination as a word that sounds exactly like what it means.

Fun Fact

Lewis Carroll’s use of burble in Jabberwocky created one of literature’s most celebrated linguistic puzzles — the poem is constructed almost entirely from invented words, yet readers consistently report understanding its emotional meaning despite not knowing what most of the words mean. Linguists call this phenomenon “semantic transparency through phonetics” — the sounds themselves carry enough meaning that the sense comes through even without definition. Carroll understood instinctively that burble didn’t need explaining. You hear it and you already know.

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Deleterious

Definition

Example

Word Origin

Previous Words

Burble

Burble

Definition

Example

Word Origin

Burble

Corpulence

Garrulous

Dearth

Propitious