Webster's Revised Unabridged Dictionary · 1913

obsessional

obsessional , adjective

Persistently and abnormally preoccupied with some unreasonable idea.

Also: obsessive

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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