momentum
nounUK /məˈmentəm/
US /moʊˈmentəm/
Momentum is how hard it is to stop something that is already moving.
The bike had so much momentum that it kept rolling after I stopped pedaling.
OTHER MEANINGS
2. The force that keeps a moving object going forward.
The heavy ball gained momentum as it rolled down the hill.
3. Growing strength or progress that keeps building over time.
The team's momentum grew after they won three games in a row.
4. The push or energy that helps something keep happening.
The new idea gained momentum when everyone started talking about it.