We all have little habits that make us uniquely ourselves, from quirky routines to unusual ways of thinking

Word of the Day: IDIOSYNCRASY
Pronunciation: UK /ˌɪd.i.əˈsɪŋ.krə.si/
US /ˌɪd.i.əˈsɪŋ.krə.si/
Meaning
'Idiosyncrasy' refers to a distinctive habit, behaviour, characteristic, or way of thinking that is unique to a person or group. It describes a peculiar trait or quirk that makes someone different from others.
Examples for daily usage
One of her charming idiosyncrasies is that she always arranges her books by colour instead of author.
His habit of humming while working is just another idiosyncrasy that his colleagues have grown used to.
Origin and history
The word "idiosyncrasy" entered English in the early 17th century, originally as a medical term referring to a person's unique physical or mental constitution.
It comes from the Greek word idiosynkrasia, formed from idios, meaning "one's own" or "private," and synkrasis, meaning "a blending" or "mixture."
In ancient medicine, it described a person’s particular bodily temperament that made them react differently to food, medicine, or the environment. Over time, the meaning broadened beyond medicine to refer to any distinctive personal characteristic or habit.
Today, the word is most commonly used to describe harmless quirks or unusual traits that make someone memorable.
Read more: Word of the Day, July 08
Cultural significance and modern usage
In modern English, "idiosyncrasy" is widely used in psychology, literature, linguistics, and everyday conversation to describe the unique qualities that distinguish individuals.
Authors often give fictional characters memorable idiosyncrasies to make them feel authentic, whether it is an unusual way of speaking, a peculiar routine, or a distinctive mannerism.
The word generally carries a neutral or even affectionate tone, suggesting individuality rather than oddness.
Interesting facts
"Idiosyncrasy" originally referred to unique biological responses. Even today, doctors may use the term to describe an unusual reaction to a medication.
The adjective form is "idiosyncratic," which describes something that is peculiar or uniquely characteristic.
Every person's speech, handwriting, and body language contain subtle idiosyncrasies that can help identify them.
Examples from literature
- "Every man has his own idiosyncrasy." — The Life and Opinions of Tristram Shandy, Gentleman by Laurence Sterne
- "His little idiosyncrasies only made him more lovable." — David Copperfield by Charles Dickens
- "The charm of personality often lies in its idiosyncrasies." — The Portrait of a Lady by Henry James
- "Each character possesses an idiosyncrasy that sets them apart." — A recurring theme in the novels of Jane Austen
Synonyms
- Quirk
- Peculiarity
- Eccentricity
- Oddity
- Characteristic
- Trait
- Individuality
Antonyms
- Normality
- Sameness
- Uniformity
- Conventionality
- Commonness
- Regularity
- Conformity
Read more Word of the Day here
Published: 09 Jul 2026, 08:00 am IST
Related Topics
Subscribe to our Newsletter
Get Latest Mathrubhumi Updates in English
Disclaimer: Kindly avoid objectionable, derogatory, unlawful and lewd comments, while responding to reports. Such comments are punishable under cyber laws. Please keep away from personal attacks. The opinions expressed here are the personal opinions of readers and not that of Mathrubhumi.

