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Costello

American  
[kos-tl-oh, ko-stel-oh] / ˈkɒs tlˌoʊ, kɒˈstɛl oʊ /

noun

  1. John Aloysius 1891–1976, Irish political leader: prime minister of the Republic of Ireland 1948–51, 1954–57.

  2. Lou Louis Francis Cristillo, 1906–59, U.S. actor, half of the comedy team of Abbott and Costello.


Costello British  
/ kɒˈstɛləʊ /

noun

  1. Elvis, real name Declan McManus. born 1954, British rock singer and songwriter. His recordings include This Year's Model (1978), "Oliver's Army" (1979), Spike (1989), Brutal Youth (1994), and When I Was Cruel (2003)

"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

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.

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Significant attention has been paid to Jordan Wood, former chief of staff to former Rep. Katie Porter, D-Ca., brewery owner Dan Kleban and environmental policy consultant David Costello.

From Salon Jul. 18, 2026

Bellows, Jackson, Shah, and Wood will square off at 7, followed by Kleban, Costello, Webb, and a former state representative at 8.

From Slate Jul. 16, 2026

But voters showed no interest in the far more electable David Costello, a well-spoken environmental policy consultant and, by all appearances, a normal guy.

From The Wall Street Journal Jun. 10, 2026

Platner is expected to defeat Maine's Democratic Governor Janet Mills, who remains on the ballot despite suspending her campaign, along with lesser-known candidate David Costello.

From Barron's Jun. 9, 2026

I said to myself, There goes another one of your koi, Mr. Costello.

From "Tangerine" by Edward Bloor

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