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• lo
  lo

  interjection

  look! see! (frequently used in Biblical expressions; now usually used as an expression of surprise in the phraselo and behold ).
• LO
  LO

  abbreviation

  little one (used, especially by women, in digital communications to refer to one's infant or young child).

lo

¹ American  

[loh] / loʊ /

interjection

1. look! see! (frequently used in Biblical expressions; now usually used as an expression of surprise in the phraselo and behold ).

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lo ² American  

[loh] / loʊ /

adjective

1. an informal, simplified spelling of low, used especially in labeling or advertising commercial products.

   lo calorie.

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LO ³ American  

abbreviation

1. little one (used, especially by women, in digital communications to refer to one's infant or young child).

   We've been cloth diapering since my LO hit 10 pounds, about 6 months now.

2. loved one (used, especially by women, in digital communications to refer to one's romantic partner or spouse).

   I realized that my LO and I really didn't have much in common in terms of interests and basic values that could have held us together.

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LO ¹ British  

abbreviation

1. hello

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lo ² British  

/ ləʊ /

interjection

1. look! see! (now often in the phrase lo and behold )

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Etymology

Origin of lo¹

before 900; Middle English; conflation of lo exclamation of surprise, grief, or joy, O! ( Old English lā; see la ²) and lo, shortened form of loke ( Old English lōca ), imperative of loken to look

Origin of LO³

First recorded in 2000–05 LO for def. 1

Example Sentences

See Examples For:

lo LO

"And lo and behold, here I am. So I'm very grateful."

From BBC ● Jul. 31, 2026

“During the financial crisis, governments around the world put the printing presses on and everyone said, ‘Oh, lo and behold, nothing’s happened.

From The Wall Street Journal ● Jan. 2, 2026

Greece weren't in any danger and, lo, they were losing 3-1.

From BBC ● Nov. 15, 2025

“A veces, lo miro y digo, ‘Wow,’” she says.

From Los Angeles Times ● Oct. 15, 2025

Fern piped in, “We want shrimp lo mein and Pepsi.”

From "One Crazy Summer" by Rita Williams-Garcia

Swedish workers are also supported by Norway's Fellesforbundet, the biggest union in the country's LO confederation.

From Reuters ● Nov. 17, 2023

Is there a question you can add here to wrap up this set with this LO from the list?

From Textbooks ● Jun. 9, 2022

Eleven Tour pros, including Tiger Woods, sported the LO at The Open Championship earlier this summer.

From Golf Digest ● Aug. 28, 2018

LO: Romain Bardet’s descent from Montvernier was Nibali-esque, displaying aggression and grace in equal measure.

From The Guardian ● Jul. 27, 2015

Since PO-PD = LO, and AO-AD = FO, this curve is one branch of the hyperbola of which D and O are the foci.

From Scientific American Supplement, No. 803, May 23, 1891 by Various