Learner's definition of COMMITMENT
1 [count] : a promise to do or give something
We've got commitments from several charities to donate food and clothing.
the government's commitment of troops to the region
I can't coach my daughter's basketball team. I have too many commitments already. [=I have too many things that I have promised to do]
It's been a struggle to balance my professional and family commitments. [=to do both what I have promised to do for my job and what I have promised to do for my family]
The church has a commitment to helping the poor.
Getting a dog is a big commitment. [=something that requires you to do a lot]
Opening your own business requires a significant financial commitment. [=it requires you to spend a lot of money over a long time]
2 : a promise to be loyal to someone or something
[count] — usually + to
She isn't ready to make a lifelong commitment to another person.
Are you willing to make a commitment to our cause?
He questions the company's commitment to safety.
3 [noncount] : the attitude of someone who works very hard to do or support something
Some of his teammates said he showed a lack of commitment (to the team).
The boss noticed her strong commitment to her work.
No one doubts your commitment to the cause.