lag behind
To be slower than other people or things, or to not make as much progress as you should.
Meanings
To move or walk more slowly than others, causing a gap to form.
"The younger children began to lag behind as the group hiked up the steep mountain path."
To fail to progress or develop as quickly as others, especially in business, education, or technology.
"The country's manufacturing sector continues to lag behind its Asian competitors."
"We cannot afford to lag behind in the development of clean energy."
— Barack Obama, State of the Union Address, 2011
Used both literally (physical movement) and figuratively (progress, development, sales figures, etc.). Very common in news and business contexts. The object of comparison is usually introduced with 'behind' itself or in context.
Commonly used with
Forms
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