missingpiece
nounUK /ˈmɪsɪŋ piːs/
US /ˈmɪsɪŋ piːs/
The one part that is not there and is needed to finish something.
We found the missing piece of the puzzle under the chair.
RELATED WORDS
OTHER MEANINGS
2. The last thing needed to understand or solve a problem.
Her answer was the missing piece that helped us solve the mystery.
3. A person or thing that completes a group or team.
The new player was the missing piece for our soccer team.
4. A part of a story or picture that was left out.
The old letter was the missing piece of the family story.