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1.
Driving to various sports practices, working on science fair projects, attending school fairs, concerts and other events. Anything that requires your time and energy because of your children. Used by supermoms and dads alike.
I'm sorry I won't make book club tonight, too many kidmmitments prevent me from attending!
by Life Coach Lori May 08, 2009
 
2.
When there is an event or obligations that is for a child only and not for you.
"I couldn't watch the Stanley Cup last night because I had a kidmmitment to take my son to a birthday party."
by CMCG June 08, 2014