happinessmeter
nounUK /ˈhæpinəsˌmiːtə/
US /ˈhæpinəsˌmiːtər/
A happinessmeter is a fun tool that shows how happy someone feels.
The teacher used a happinessmeter to see how the class was feeling today.
OTHER MEANINGS
2. A chart or app that records how cheerful a group of people is over time.
The office happinessmeter went up after the party.
3. A playful device that lights up when people smile or laugh.
The happinessmeter on the wall glowed green when the kids giggled.
4. A way of scoring how enjoyable an activity or place is.
The park got a high score on our happinessmeter.