Feedback vs Reaction

When to use each in English, with meaning, register, and examples.

Feedback

Top 1,000 (very common)B2noun

Reaction

Top 1,000 (very common)B1noun
 FeedbackReaction
Pronunciation🇬🇧 /["/ˈfiːdbæk/"]/🇺🇸 /["/ˈfiːdbæk/"]/🇬🇧 /["/riˈækʃn/"]/🇺🇸 /["/riˈækʃn/"]/
MeaningInformation about how well someone did something.How someone responds to something.
ExampleThe teacher provided valuable feedback on my essay.Her reaction to the news was surprisingly calm.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2B1
Part of speechnounnoun
Collocationsconstructive, favourable/​favorable, good, give somebody, provide (somebody with), send, feedback  about, feedback  on, feedback  fromextreme, strong, violent, get, have, meet with, in reaction to, reaction against, reaction to, extreme, strong, violent, get, have, meet with, in reaction to, reaction against, reaction to, adverse, bad, severe, experience, have, suffer, reaction to, fast, good, lightning, have, speed up, slow down, time, chain, chemical, nuclear, cause, initiate, produce, occur, take place, during a/​the reaction, in a/​the reaction, reaction between
Antonymscriticism, disapprovalinaction, apathy, indifference
Common mistakesUsing 'feedbacks' as the plural form., Confusing 'feedback' with 'advice' — feedback is specific reactions to a performance., Omitting the object, e.g., saying 'I need feedback' without specifying on what.Confused with 'action' as they are opposites., Using 'reaction' without specifying what it is a reaction to., Mispronouncing it as 'rea-kshun' instead of 'ree-akshun'.
Usage notesUsed in both formal and informal contexts. Commonly spoken in workplaces and schools. Not typically used in casual conversation without a specific context.Used in both formal and informal contexts, but avoid in highly casual conversations. Common in discussions about emotions or scientific processes.

Frequently asked questions: Feedback vs Reaction

What's the difference between Feedback and Reaction?

Feedback: Information about how well someone did something. Reaction: How someone responds to something.

Are Feedback and Reaction the same CEFR level?

Feedback: B2, Reaction: B1 on the CEFR scale.

Can I use Feedback and Reaction interchangeably?

Not always. Feedback and Reaction are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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