lifelongoath
nounUK /ˈlaɪf.lɒŋ.ɡəʊθ/
US /ˈlaɪf.lɔːŋ.ɡoʊθ/
A lifelong oath is a very serious promise you make to keep for your whole life.
The knight made a lifelongoath to protect the village forever.
RELATED WORDS
OTHER MEANINGS
2. A formal pledge of lasting loyalty to a person or cause.
She swore a lifelongoath of loyalty to her best friend.
3. A binding promise that cannot be broken for as long as one lives.
His lifelongoath meant he would never break his word.
4. A solemn commitment made at a special ceremony to last a lifetime.
At the ceremony, the members took a lifelongoath to help others.