fall behind

phrasal verb·3 senses·particle behind

Meanings

1

Fail to keep pace with others

Why “behind”? One person or thing follows behind another on the same path.

He fell behind in his studies.
He stopped keeping pace with the rest of the class.
The runner fell behind the main group.
The runner could not keep pace with the main group.
2

Of an item, be left forgotten or detached from a group

Why “behind”? Everyone else moves on. What stays behind is left there.

A glove fell behind on the bus.
A glove was left behind on the bus.
A toy fell behind in the taxi.
A toy was left behind in the taxi.
3

Of a payment, become late or owed

Her instalments fell behind.
Her instalments became overdue.
The loan payments fell behind.
The loan payments became overdue.

Don't confuse with

fall behindfall under

Fall behind means fail to keep pace with others. Fall under means drop below an expected standard or value.

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He fell behind in his studies. What does it mean?

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