à l'improviste /a lɛ̃-prō-vēstˈ/

1. Suddenly
2. Unexpectedly
3. Unawares

• lay down one's arms
• lay-downs
• lay down the law
• layer
• layer cake
• layered
• layering
• layerings
• layers
• layette
• layettes
• lay eyes on
• lay-figure
• lay-figures
• lay great store by
• lay hands on
• lay heads together
• lay hold of
• lay hold on
• lay in
• laying
• laying-on of hands
• loo rolls
• loos
• loose