Cool MateAct vs React
When to use each in English, with meaning, register, and examples.
Act
Top 1,000 (very common)A2verb
React
Top 1,000 (very common)A2verb
| Act | React | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/🇺🇸 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/ | 🇬🇧 /["/riˈækt/","/riˈækts/","/riˈæktɪd/","/riˈæktɪŋ/"]/🇺🇸 /["/riˈækt/","/riˈækts/","/riˈæktɪd/","/riˈæktɪŋ/"]/ |
| Meaning | To do something or take action. | To respond to something. |
| Example | She decided to act in the school play this year. | She always knows how to react to unexpected situations. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A2 | A2 |
| Part of speech | verb | verb |
| Collocations | at once, immediately, promptly, against, for somebody, on behalf of somebody, act as if, act in somebody’s best interests, act in good faith, at once, immediately, promptly, against, for somebody, on behalf of somebody, act as if, act in somebody’s best interests, act in good faith, brilliantly, well, badly, brilliantly, well, badly | strongly, favourably/favorably, positively, tend to, be slow to, not know how to, against, by, to, strongly, favourably/favorably, positively, tend to, be slow to, not know how to, against, by, to, strongly, favourably/favorably, positively, tend to, be slow to, not know how to, against, by, to |
| Antonyms | ignore, neglect, refrain | ignore, overlook, neglect |
| Common mistakes | 'Act' is sometimes confused with 'take action', which has a slightly different connotation., Learners often omit the preposition when using 'act on' phrases., 'Act' may be incorrectly used as a noun instead of a verb. | Confused with 'act' instead of 'react'., Using the incorrect preposition (should be 'react to', not 'react with')., Forget to specify what is being reacted to. |
| Usage notes | Use 'act' in both formal and informal contexts when referring to behavior. Avoid using it in overly casual settings when describing serious actions. | Commonly used in both spoken and written English. Suitable in formal and informal contexts. Avoid using it in overly casual settings where simpler words like 'say' might be more appropriate. |
Frequently asked questions: Act vs React
What's the difference between Act and React?
Act: To do something or take action. React: To respond to something.
Are Act and React the same CEFR level?
Act: A2, React: A2 on the CEFR scale.
Can I use Act and React interchangeably?
Not always. Act and React 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.