OB-stuh-nut
(adjective) Stubbornly refusing to change one’s opinion or course of action.
Despite undeniable evidence, he remained obstinate in his belief that the earth was flat.
Fun Fact
“Obstinate” shares roots with the word “obstacle.” While it’s often negative, the trait has sometimes been admired in revolutionaries, inventors, and activists. Historical figures from Galileo to Rosa Parks were once described as obstinate for defying norms.
id-ee-oh-sin-KRAT-ik
(adjective) Relating to a distinctive habit, mannerism, or characteristic peculiar to an individual.
Her idiosyncratic habit of color-coding every notebook she owned was odd to others but essential to her.
Idiosyncratic traces back to the Greek idiosynkrasia, a combination of idios (“one’s own”), syn (“together”), and krasis (“mixture” or “temperament”). The word was originally used in medicine to describe a patient’s unique physical constitution or reaction to substances — a blend of qualities belonging only to that individual.
Fun Fact
Idiosyncrasies are the fingerprints of personality — and they’ve long fascinated psychologists and writers alike. Novelists in particular rely on idiosyncratic details to bring characters to life: think of Sherlock Holmes’s obsessive violin-playing at odd hours, or Adrian Monk’s compulsive straightening of picture frames. Research in behavioral psychology suggests that our quirks often form in childhood and become so automatic we’re completely unaware of them — which is why the people around us usually notice our idiosyncrasies long before we do.
Today's Word Idiosyncratic id-ee-oh-sin-KRAT-ik Definition (adjective) Relating to a distinctive...
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