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English Lexicon

Obsessional

/əbˈzɛʃ.ən.əl/
adjectiveCEFR C1 (Advanced)Top #28400 frequency
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Comprehensive Definitions & Senses

1 sense
As adjective
  1. 1

    Relating to, characteristic of, or caused by an obsession; of the nature of an obsession.

    "He displayed obsessional behavior regarding the cleanliness of his desk."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin 'obsidere', meaning 'to besiege or occupy', passing through French before entering English in the late 19th century. The suffix '-al' was added to form an adjective describing states or conditions characterized by persistent, unwanted mental occupation.

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