effectiveness
Meaning 1:
Effectiveness means how well something works. For example, if you have a toy car and it goes very fast, we can say that the toy car has effectiveness because it works well and does what it is supposed to do.
Other Words
Effectiveness means how well something works. For example, if you have a toy car and it goes very fast, we can say that the toy car has effectiveness because it works well and does what it is supposed to do.