invisibleaid

noun
UK /ɪnˈvɪzəbəl eɪd/
US /ɪnˈvɪzəbəl eɪd/

Help that you cannot see but that still makes things better.

The kind note on her desk was an invisible aid that cheered her up all day.


OTHER MEANINGS

2. A magical or imaginary power that helps someone without being seen.

In the story, the fairy gave the hero an invisible aid to cross the river.

3. A tool or feature in a game or app that helps you without showing itself on the screen.

The puzzle game has an invisible aid that hints at the next move.

4. Quiet support from a person who does not want to be noticed.

Her grandmother was an invisible aid behind the family business.