Dictionary.com
Thesaurus.com
Synonyms

lagging

1 American  
[lag-ing] / ˈlæg ɪŋ /

noun

  1. the act of covering a boiler, oil tank, etc., with heat-insulating material.

  2. the covering formed.

  3. the material used.

  4. a number of boards or the like joined together side by side to line an excavation.

  5. Masonry. a number of lags, taken as a whole.


lagging 2 American  
[lag-ing] / ˈlæg ɪŋ /

noun

  1. the act of falling or staying behind.


adjective

  1. lingering; loitering; slow and dragging.

    lagging steps.

lagging British  
/ ˈlæɡɪŋ /

noun

  1. insulating material wrapped around pipes, boilers, etc, or laid in a roof loft, to prevent loss of heat

  2. the act or process of applying lagging

  3. a wooden frame used to support an arch during construction

"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

Other Word Forms

  • laggingly adverb

Etymology

Origin of lagging1

First recorded in 1850–55; lag 3 + -ing 1

Origin of lagging1

First recorded in 1590–1600; lag 1 + -ing 1, -ing 2 ( def. )

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.

And if a bull market is continuing to run but your growth stocks are lagging behind, the market may be signaling a shift.

From The Wall Street Journal

It was a rare win for the lagging domestic box office.

From Los Angeles Times

Heavy supply of new muni bonds led to them lagging behind taxable bonds last year, a trend that Malik expects to reverse in a “catch-up trade.”

From The Wall Street Journal

The UK has been lagging behind for various reasons.

From BBC

The stock has risen 13% this year so far through Monday’s close, lagging behind the 18% gain for the S&P 500 index.

From Barron's