Fall short of the normal pace or progress. For example, The teacher said Greg was dropping behind the class and needed extra help.
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Words nearby drop behind
How to use drop behind in a sentence
Have you tried to access the research that your tax dollars finance, almost all of which is kept behind a paywall?
Not to be left behind, progressives in neighboring Wisconsin clamored to join the cutting edge of public health.
I think a lot of it has to do with the attitude and the energy behind it and the honesty.‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
Other major news outlets made the same decision, hiding behind a misplaced sense of multicultural sensitivity.Why We Stand With Charlie Hebdo—And You Should Too|John Avlon|January 8, 2015|DAILY BEAST
Prosecutors wanted him to spend at least 10 years behind bars.Abramoff’s Advice for Virginia’s New Jailhouse Guv|Tim Mak, Jackie Kucinich|January 7, 2015|DAILY BEAST
Joe looked at her with a smile, his face still solemn and serious for all its youth and the fires of new-lit hope behind his eyes.The Bondboy|George W. (George Washington) Ogden
Before he could finish the sentence the Hole-keeper said snappishly, "Well, drop out again—quick!"Davy and The Goblin|Charles E. Carryl
More soldiers crowded into the cave and Professor-Commander Krafft came in behind them.Sense of Obligation|Henry Maxwell Dempsey (AKA Harry Harrison)
In treble, second and fourth, the first change is a dodge behind; and the second time the treble leads, there's a double Bob.
The Seven-score and four on the six middle Bells, the treble leading, and the tenor lying behind every change, makes good Musick.