Meaning & use

quickly

adverb·Everyday

Last updated

UK/ˈkwɪk.li/
US/ˈkwɪk.li/

Meanings

  1. adverbcomparable

    At high speed; with rapid movement or action.

    Grammar: Modifies verbs; the standard comparative is more quickly, though quicker is common informally.

    Patterns

    • move quickly
    • quickly became
    • as quickly as possible

    She walked quickly to catch the bus.

    The room quickly became crowded when the concert started.

  2. adverbcomparable

    Without delay; promptly or soon.

    Grammar: Focuses on promptness rather than physical speed: reply quickly, quickly realized.

    Patterns

    • respond quickly
    • quickly realize
    • reply quickly

    The landlord responded quickly to our heating problem.

    I quickly realized I had boarded the wrong train.

Word forms

comparativemore quickly
superlativemost quickly

Common combinations

as quickly as possible
Please send the signed form as quickly as possible.
respond quickly
She responded quickly to my email about the schedule change.
quickly realize
We quickly realized the map was upside down.
quickly become
The small argument quickly became a serious disagreement.

Synonyms and how they differ

rapidly
Rapidly stresses speed of change or movement; quickly also covers promptness of response.
swiftly
Swiftly suggests smooth, efficient speed and sounds slightly literary.
promptly
Promptly means without delay and fits the sense of acting soon rather than fast.
fast
Fast works as adverb and adjective and is more informal; use quickly in careful writing.

Opposites

Word family

quick adjective
happening or moving fast; taking little time
quick adverb
fast, in informal use: come quick
quickness noun
the quality of being fast or prompt
quicken verb
to become faster or to make something faster

Commonly confused: quickly or fast?

quickly vs fast

Fast works both as an adjective (a fast train) and an adverb (run fast); quickly is only an adverb, and quick used as an adverb is informal.

Practice

The doctor promised to see us as ___ as possible.

Make it your own

Write a sentence using “quickly”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words