Use "sleekest" in a sentence

1. This is the sleekest, fastest boat you've ever built!

2. 🔊 My car isn’t the sleekest on the lane but it is Comparatively newer than the other cars in my neighborhood

3. This article will help you know how to give a best man speech in the swiftest, sleekest, and least painful way possible

4. Like the minimalist theft-proof bicycle by Chris Boardman, the Nulla has no hubs or chain drive for perhaps the sleekest, most futuristic look yet.