ˌMills and ˈBoonishadj. characteristic of a Mills and Boon novel; romantic, storybook.
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1990 Sunday Times 19 Aug. iii. 18/8 A wonderfully Mills & Boonish tale about a young couple.
1999 Herald (Glasgow) (Electronic ed.) 20 Mar. Its Mills and Boonish romance with that kitschy title, designed to draw the entire female sex into complicity.