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T-bill

American  
[tee-bil] / ˈtiˌbɪl /

noun

  1. a U.S. Treasury bill.


T-bill British  

noun

  1. short for Treasury bill

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of T-bill

An Americanism dating back to 1970–75

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.

For risk-averse investors, there are increasingly popular T-bill ETFs, which now yield more than 3.75%.

From Barron's • Jan. 2, 2026

On Tuesday, 1- and 2-month T-bill rates dropped by between 7 basis points and 10 basis points each, to 3.84% and 3.75% respectively, on slightly higher expectations for Fed rate cuts in December and January.

From MarketWatch • Dec. 2, 2025

“We expect 2026 to be defined by elevated T-bill issuance and steady coupon supply, driven by persistent large deficits and volatile tariff revenues,” the strategists say.

From The Wall Street Journal • Dec. 1, 2025

“We were nervous and had a little higher T-bill allocation from September, and we increased it more last week,” she said.

From MarketWatch • Nov. 19, 2025

Manolatos sees the Treasury continuing to ramp up its T-bill issues to 24% of the market by the end of 2027, from 21.5% as of September.

From Barron's • Oct. 31, 2025