unbreakablepledge
nounUK /ʌnˈbreɪkəbəl plɛdʒ/
US /ʌnˈbreɪkəbəl plɛdʒ/
A promise that can never be broken.
The two friends made an unbreakablepledge to always help each other.
RELATED WORDS
OTHER MEANINGS
2. A serious agreement that nobody is allowed to cancel.
The club members signed an unbreakablepledge to keep their secret safe.
3. A strong personal rule someone promises to follow forever.
She made an unbreakablepledge to be kind to everyone she meets.
4. A lasting bond between people that stays strong no matter what.
Their unbreakablepledge kept the team together through hard times.