rose-coloured

• (US) rose-colored

rose + coloured

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rose-coloured (comparative more rose-coloured, superlative most rose-coloured)

1. having a pink colour
   • 1859, George Eliot [pseudonym; Mary Ann Evans], “Hetty’s World”, in Adam Bede […], volume I, Edinburgh; London: William Blackwood and Sons, →OCLC, book first, page 185:

     That had never happened yet; and now her imagination, instead of retracing the past, was busy fashioning what would happen to-morrow—whereabout in the Chase she should see him coming towards her, how she should put her new rose-coloured ribbon on, which he had never seen, and what he would say to her to make her return his glance—a glance which she would be living through in her memory, over and over again, all the rest of the day.

2. (idiomatic) cheerfully optimistic

• rose-hued
• rose-tinted

• rose-coloured glasses

• couleur de rose