solepledge

noun
UK /ˈsəʊlplɛdʒ/
US /ˈsoʊlplɛdʒ/

A solepledge is a special promise you make with all your heart.

She made a solepledge to always help her little brother.


OTHER MEANINGS

2. A pledge made by only one person, without anyone else joining in.

His solepledge to clean the park inspired others to help later.

3. A promise that belongs to just one special cause or person.

The team's solepledge was to win the game for their coach.

4. A very serious promise that is hard to break.

Breaking a solepledge can make people feel sad and let down.

5. A promise kept only by oneself, with no help from others.

Her solepledge was to read one book every week.