Fall short of the normal pace or progress. For example, The teacher said Greg was dropping behind the class and needed extra help.
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.