Fleurs du mol

wordjournal:

noun •in psychiatry, a form of psychosis in which two people who are intimately associated come to share the same delusions.

also:

• fait accompli・noun・something that has been done and cannot be reversed
• flânerie・noun・leisurely strolling without a fixed destination
• frisson・noun・a sudden, small quiver of fear or emotional excitement; a thrill.