undisclosedpledge

noun
UK /ˌʌndɪsˈkləʊzd plɛdʒ/
US /ˌʌndɪsˈkloʊzd plɛdʒ/

A promise that someone keeps secret and does not tell anyone about.

The company made an undisclosedpledge to help the local school.


OTHER MEANINGS

2. A gift of money that is given without saying who gave it.

An undisclosedpledge paid for the new playground equipment.

3. A quiet agreement to do something that is not shared with the public.

The two teams made an undisclosedpledge to work together.

4. A secret sign that you will support a person or group.

Her undisclosedpledge to the club surprised everyone later.