eccentric

You're most likely to encounter the adjective eccentric in a description of an unusual or quirky person — like a scatter-brained aunt who leaves her life savings to her cat.

From the Greek ekkentros, "out of the center," this word originally had to do with the orbits of planets that were observed to be slightly out of whack. Eventually it came to describe people who were a little kooky, both as an adjective and as a noun, too: an eccentric is an unconventional, odd person. Think of them as following a slightly different orbit from the rest of society.

PRIMARY MEANINGS OF: eccentric

1
adjn
conspicuously or grossly unconventional or unusual
a person with an unusual or odd personality
2
adj
not having a common center; not concentric
FULL DEFINITIONS OF: eccentric
1

adj conspicuously or grossly unconventional or unusual

“famed for his eccentric spelling”
Synonyms:
bizarre, flakey, flaky, freakish, freaky, gonzo, off-the-wall, outlandish, outre
unconventional
not conventional or conformist

n a person with an unusual or odd personality

Synonyms:
eccentric person, flake, geek, oddball
Types:
crackpot, crank, fruitcake, nut, nut case, screwball
a whimsically eccentric person
nutter, wacko, whacko
a person who is regarded as eccentric or mad
Type of:
anomaly, unusual person
a person who is unusual

n a person of a specified kind (usually with many eccentricities)

“a friendly eccentric
Synonyms:
case, character, type
Type of:
adult, grownup
a fully developed person from maturity onward
2

adj not having a common center; not concentric

eccentric circles”
Synonyms:
nonconcentric
acentric
not centered or having no center
off-center, off-centered
situated away from the center or axis
Antonyms:
concentric, concentrical, homocentric
having a common center
coaxal, coaxial
having a common axis
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