weirdo
noun
Origin
From weird + -o (“person with characteristic”). First attested in the early 1950s, in American English. The similar word weirdie (“odd, unconventional person”) is attested from earlier, in 1887; in Scottish English.
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.