at sea

phrase

1

: on the sea

specifically : on a sea voyage

2

: lost, bewildered

Examples of at sea in a Sentence

Recent Examples on the Web

National affiliation at sea is on the verge of meaning something again. — Craig Hooper, Forbes.com, 7 Aug. 2026

Hypersonic speed is defined as Mach 5 (equal to five times the speed of sound or 3,806 miles per hour at sea level) or higher. — Georgina Jedikovska, Interesting Engineering, 6 Aug. 2026

Snowfall is uncommon in Dunedin, particularly at sea level, although the city’s hill suburbs can receive snow during severe cold outbreaks. — Reuters, NBC news, 5 Aug. 2026

Thankfully, that wasn’t my only brush with luxury during my day at sea. — Maya Kachroo-Levine, Travel + Leisure, 5 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for at sea

• agree
• allee
• banshee
• beastly
• bibi
• bowsprit
• carefree
• cerci
• chablis
• cowpea
• crappie
• crappy