Question

impetus The promise of a nice bonus gave us all an added impetus for finishing the project on time. ˈɪmpətəs

Accepted Answer

(1) A driving force or impulse; something that makes a person try or work hard; incentive. (2) Momentum. An impetus can be something positive and pleasant, or something negative and unpleasant, but in either case it stimulates action. The need to earn a living provides many people with the impetus to drag themselves out of bed five mornings a week. On the other two days, the impetus might be the smell of bacon cooking, or the idea of an early-morning round of golf. Impetus can be used either with an or the in front of it (“The accident provided an impetus for changing the safety regulations”) or without them (“His discoveries have given impetus to further research”)

word	impetus
definition	(1) A driving force or impulse; something that makes a person try or work hard; incentive. (2) Momentum.
eg_sentence	The promise of a nice bonus gave us all an added impetus for finishing the project on time.
explanation	An impetus can be something positive and pleasant, or something negative and unpleasant, but in either case it stimulates action. The need to earn a living provides many people with the impetus to drag themselves out of bed five mornings a week. On the other two days, the impetus might be the smell of bacon cooking, or the idea of an early-morning round of golf. Impetus can be used either with an or the in front of it (“The accident provided an impetus for changing the safety regulations”) or without them (“His discoveries have given impetus to further research”)
IPA	ˈɪmpətəs

Impetus Driving Force Impulse Makes Person Work Hard