Two ships that pass in the night can have one of two meanings. More generally, it refers to individuals who know each other, are related, or intimate, but are not usually in the same place at the same time. A more dramatic and literary usage refers to two people who meet and have an intense romance for a short time, only to part and never see one another again. Sometimes, as well, the idiom simply refers to any individuals who meet and associate for a short time and then part.

Sentence Examples
โMy wife leaves for her overnight shift just as I get home from work. Weโre like two ships that pass in the night.โ
โJane thought about Ron for years, but to him, they were just ships that passed in the night.โ
“With my husband working the day shift and me working nights, weโve become like two ships that pass in the night, only seeing each other for a few minutes at the front door.”
“I met an incredible traveler at the airport and we talked for hours, but we never even swapped namesโjust two ships that pass in the night.”
“Even though we share an apartment, our social lives are so different that we’re basically ships that pass in the night; I only know heโs been home because thereโs a fresh pot of coffee in the morning.”
“The two scientists shared a brief, brilliant conversation at the conference before heading to different continents, forever remaining ships that passed in the night.
We lived in the same small town for years but only ever exchanged a polite nod at the grocery storeโjust two ships that pass in the night, unaware of how much we actually had in common.”
Origin of Two Ships That Pass in the Night
Unlike many nautical idioms that began as grit-and-grime sailor slang, ships that pass in the night has a purely literary and romantic origin. It was coined by the American poet Henry Wadsworth Longfellow in his 1863 collection, Tales of a Wayside Inn.
In the section titled “The Theologianโs Tale,” Longfellow uses the metaphor of two vessels crossing paths on a vast, dark ocean to describe the fleeting nature of human relationships. The imagery relies on the reality of 19th-century seafaring: before the era of modern radio or bright electric lights, ships would often only see a faint signal lantern or hear a muffled shout through the fog as they glided past one another. They would acknowledge each otherโs presence for a heartbeat before disappearing back into the “darkness and silence” of the sea.
While Longfellow used the phrase to describe the briefness of life and the randomness of human encounters, the idiom has evolved. Today, it serves as the perfect descriptor for anyoneโfrom busy spouses to missed romantic connectionsโwho coexist in the same space but never quite manage to truly “meet.”
Specifically, the lines appear in “The Theologianโs Tale“:
โShips that pass in the night, and speak each other in passing,
Only a signal shown and a distant voice in the darkness;
So on the ocean of life, we pass and speak one another,
Only a look and a voice, then darkness again and a silence. โ
Conclusion
As you can see, the language of the sea has left a permanent mark on how we describe our daily lives. Whether you are feeling taken aback by a surprise or realize a friend is merely a fair-weather companion, these idioms offer a colorful way to express complex emotions. The next time you find yourself acting as chief cook and bottle washer or passing a friend like two ships in the night, youโll know exactly where those storied phrases began.
Further Reading: 10 Nautical Idioms You Should Know
If you enjoyed learning about “ships that pass in the night,” dive into the seafaring origins of these common phrases:
- Go Overboard: To do something to an excessive degree or react with too much enthusiasm.
- With Flying Colors: To complete a task or pass an exam with a very high level of success.
- Show Your True Colors: To reveal your real character or intentions, especially if they were previously hidden.
- Spick and Span: Used to describe a place that is incredibly clean, tidy, and organized.
- At Loggerheads: To be in a strong dispute or disagreement with someone.
- Flotsam and Jetsam: Originally types of shipwreck debris, now used to describe useless discarded items or odds and ends.
- Taken Aback: To be suddenly surprised or shocked (much like a ship’s sails being pushed back by a sudden wind).
- Tell That to the Marines: An expression of disbelief, implying a story is too far-fetched for a savvy sailor to believe.
- Chief Cook and Bottle Washer: Someone who is in charge of everything, including the most menial tasks.
- Fair-Weather Friend: Someone who is only a friend when things are going well, much like a “fair-weather sailor” who avoids rough seas.
References
- Jarvie, Gordon. Bloomsbury Dictionary of Idioms. London: Bloomsbury, 2009.Ammer, Christine. American Heritage Dictionary of Idioms. Boston: Houghton Mifflin Harcourt, 2013.
