Why does the U.S. lag behind our peers when it comes to educating our students?
If girls continue to lag behind in STEM areas, our future economy and competitiveness could suffer.
There are delightful nooks and corners about this celebrated building in which lovers can lag behind.
Put on your hat, friend, and follow us, for you lag behind and are late.
To her burning ambition it would have been unbearable to lag behind.
Why should you lag behind the age in this fierce struggle for supremacy?
Will any mortal amongst us be so unreasonable as to lag behind, or look back in discouragement when God opens such a door?
Let us agree that relatively the country will lag behind the town.
To tell the truth, she had no appearance of knowing much about the matter, but she could not lag behind the others.
No party to fork off, lag behind, or go before, without permission.
"fail to keep pace," 1520s, earlier as a noun meaning "last person" (1510s), later also as an adjective (1550s; e.g. lag-mon "last man"), all of uncertain relationship, possibly from a Scandinavian source (cf. Norwegian lagga "go slowly"), or some dialectal version of last, lack, or delay. Related: Lag; lagging. The noun meaning "retardation" is from 1855. First record of lag time is from 1951.
A convict: lags who escape from the county pokey (1930s+ Underworld)
To arrest or imprison a criminal (1940s+ Underworld)