The phrase "placid sea" is grammatically correct and can be used in written English.
It is a descriptive phrase that can be used to depict a calm and peaceful body of water. Example: As the sun set over the horizon, the once choppy ocean transformed into a placid sea, reflecting the vibrant colors of the sky.
Beyond that balcony lies the shining placid sea, now untroubled by water traffic.
Cassidy looked good in those pictures: long, tousled hair, an impish smile, eyes the color of some warm, placid sea.
The Reed Krakoff flagship boutique is a placid sea of gray and cream, dotted with furniture made for him by Bonetti, Arad, and Joris Laarman.
I was strolling on a Dutch boardwalk here, the sun dipping below a placid sea as lovers arm-in-arm savored ice creams.
Walk through its cool marble lobby, towards the always blue sky and the placid sea, which together cast a hushed light towards you from the windows in the distance.
Down by the beach this evening, visitors seated around a rattan-and-mangrove table at the Vista del Mar Beach Resort watched fishermen in outrigger canoes plying a placid sea as a sunset gradually turned the western sky pink.
Placid seas spin unpredictable hurricanes into the hemispheres.
It sailed Wednesday from its last port, Dana Point, to Newport on placid seas and is now towering regally above the sport fishers and other sleek pleasure craft of the modern era.
Behind them, simple fishing boats painted in pastels stood at anchor, framed against a placid azure sea that stretched away to a distant mountain range.
The road rises quickly away from the placid inland sea, swerving through a succession of landscapes showing middle Europe at her lyrical best - broad meadows speckled with flowers, muscular hillsides carved by streams of melting Alpine snow, and a sense of order and contentment bestowed by stout and well-turned-out farmhouses.
It is so Kafkaesque to see this young man, who enters the courtroom as placid as the sea outside his reach, sit smiling, as a Lieutenant Colonel pleads his case.
