- (psychology) obsessive-compulsive, usually with reference to personality disorders
- 1991: "You"re a classic anal-retentive," he says, "tirelessly absorbed by minutiae, in the extreme " it"s lucky you have me to deal with the broad sweep of things, to do the abstract thinking." " Will Self, "Mono-Cellular", The Quantity Theory of Insanity
- (linguistics) imperative, used for example to name the grammatical construction wikipedia:anankastic conditional, anankastic conditional <ref>http://www.phil.kun.nl/tfl/janneke/console13-huitink.pdf Janneke Huitink Analyzing anankastic conditionals and sufficiency modals</ref>
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