Intermediate (B1)
IPA: //ˈraɪt.fəl//
KK: /ˈraɪt.fəl/
Definition
Having a just or proper claim to something; legally or morally correct.
Example
Return this dog to its rightful owner.
Conversation

Did you hear about the dog that was found in the park?

Yeah, they said it belongs to a family who is looking for its rightful owner.

It's so great that people are trying to help return it to its rightful home.

Absolutely! It's always nice to see the community come together for a good cause.
Synonyms & Antonyms
Antonyms
unjust
illegitimate
wrongful
Root Explanation
Rightful → It is formed from "right" (from Old English "riht", meaning correct or just) and "-ful" (meaning full of). The word "rightful" means full of what is correct or just, indicating a legitimate claim or entitlement.
Memory Tip
Think of being 'full of' what is 'correct' — that's why 'rightful' means having a legitimate claim.
Visually Confused Words
frightful
unrightful
sprightful
sightful
lightful
unfrightful
frightfully
affrightful