Simple meaning
What does Reaction mean?
Reaction means a response.
Dictionary definition
Reaction means a response to an action, event, or change.
Example sentences
Reaction in a sentence
easy
In science class, we learned what reaction means.
medium
Our diagram and reading passage used reaction in a clear context.
hard
Understanding reaction helped us explain cause and effect in our project discussion.
Synonyms
Words like Reaction
Antonyms
Opposite words
no responseNo reaction shown.
stillnessLack of active response.
Word family
Reaction word family
Base word
reaction
noun
reaction
Base form.
Related words
Explore related words
Quick practice
Try Reaction
Practice 1
What is a reaction?
Reaction means a response to something that happened.
Practice this skill
Practice vocabulary in WordHive
Use the dictionary to understand Reaction, then move into short activities matched to the skills on this page.
Learning paths
- Define the Word Hive for word meanings.
- Synonym Search for word choice.
- Context Clue Challenge for sentence clues.
- Buzz Between for homophones and listening.
- Hive Builder for roots, prefixes, and suffixes.