reply
How to Use Reply
Learner’s notesIn plain EnglishTo answer, or the answer itself.
"Reply" is slightly more formal than the everyday "answer back" but is standard in both speech and writing.
Word Forms
replied past tense, replies plural, replies singular
Fill the Gap
Can you complete this real example?
He didn't know how to _____ to such a strange question.
Etymology
From Old French replier, from Latin replicare ("to fold back"), which in medieval usage came to mean "to answer" — the same root as "replicate" and "replica."