Janus
Americannoun
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an ancient Roman god of doorways, of beginnings, and of the rising and setting of the sun, usually represented as having one head with two bearded faces back to back, looking in opposite directions.
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Astronomy. a moon of the planet Saturn, located just outside the rings.
noun
noun
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The month of January is named after Janus.
Janus was pictured with two faces looking in opposite directions, one young and one old. Consequently, a hypocritical person is often called “Janus-faced.”
Etymology
Origin of Janus
< Latin, special use of jānus doorway, archway, arcade
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Janus Henderson Income ETF’s online home page, for example, shows the fund beating the Agg by a seemingly impressive margin of more than 2 percentage points annualized since it launched in late 2024.
From The Wall Street Journal ● Sep. 25, 2026
“Portfolios are already heavy in hyperscaler exposure, making it relatively easy to source existing bonds in the secondary market,” said Lloyd at Janus.
From MarketWatch ● Jul. 7, 2026
It’s stopping workers from hearing what unions won’t tell them: that the Supreme Court decided eight years ago this month in Janus v.
From The Wall Street Journal ● Jun. 14, 2026
“Alphabet’s equity raise successfully highlights the magnitude and duration of this AI buildout cycle and the market’s willingness to fund this capex for offensive purposes,” said Divyaunsh Divatia, technology research Analyst at Janus Henderson.
From Barron's ● Jun. 2, 2026
His feet seemed too big for his body, with cracked dirty toenails, eight toes on each foot But the top half of his body was the weird part He made Janus look downright normal.
From "The Battle of the Labyrinth" by Rick Riordan
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
