adv
promptly
PROMPT-lee
adv
1
Without delay; quickly and immediately.
"She promptly apologized as soon as she realized her mistake."
2
At exactly the stated time.
"The meeting will start promptly at nine o'clock."
How to Use Promptly
Learner’s notesIn plain EnglishRight away, or exactly on time.
Word Forms
more promptly comparative, most promptly superlative
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She _____ apologized as soon as she realized her mistake.
Etymology
From prompt plus the adverb-forming suffix -ly.