Free vs Rescue

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

Free

Top 1,000 (very common)A1adjective

Rescue

Top 1,000 (very common)B2verb
 FreeRescue
Pronunciation🇬🇧 /["/friː/","/ˈfriːə(r)/","/ˈfriːɪst/"]/🇺🇸 /["/friː/","/ˈfriːər/","/ˈfriːɪst/"]/🇬🇧 /["/ˈreskjuː/","/ˈreskjuːz/","/ˈreskjuːd/","/ˈreskjuːɪŋ/"]/🇺🇸 /["/ˈreskjuː/","/ˈreskjuːz/","/ˈreskjuːd/","/ˈreskjuːɪŋ/"]/
MeaningNot costing money or not being controlled by someone.To save someone from danger or trouble.
ExampleThe concert tickets are free for everyone.The firefighters were able to rescue the cat stuck in the tree.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1B2
Part of speechadjectiveverb
Collocationsbe, keep something, completely, entirely, totally, be, seem, become, completely, be, come, absolutely, completely, entirely, for free, free of charge, for, be, feel, seem, completely, entirely, quite, from, be, feel, seem, completely, entirely, quite, from, be, roam, run, completely, entirely, totally, be, roam, run, completely, entirely, totally, be, become, remain, completely, entirely, totally, be, roam, run, completely, entirely, totallyrescue operation, rescue mission, rescue team, life rescue, rescue effort
Antonymsexpensive, costlyabandon, neglect
Common mistakesConfused with 'free of' which implies absence instead of no cost., Using with continuous tenses incorrectly, e.g., 'I am freeing my weekend.'Confusing 'rescue' with 'recuse', which means to remove oneself from a situation., Using 'rescue' without a clear object, e.g., 'he rescued' instead of 'he rescued the cat.', Overusing 'rescue' in non-serious contexts, like rescuing a sandwich.
Usage notesUse 'free' in both formal and informal contexts. Avoid using it in a context where it implies lack of value or worth.Use 'rescue' in both formal and informal contexts. It is appropriate when discussing emergencies or life-saving situations. Avoid using it casually where the seriousness is minimized.

Frequently asked questions: Free vs Rescue

What's the difference between Free and Rescue?

Free: Not costing money or not being controlled by someone. Rescue: To save someone from danger or trouble.

Are Free and Rescue the same CEFR level?

Free: A1, Rescue: B2 on the CEFR scale.

Can I use Free and Rescue interchangeably?

Not always. Free and Rescue 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.