um and ahˌum and ˈah verb [intransitive] informal 
to think for some time before making a decision: 
He ummed and ahed a bit but eventually agreed to help us.
to think for some time before making a decision: He ummed and ahed a bit but eventually agreed to help us.- disenfranchisement
- disengage
- disengaged
- disengagement
- disentangle
- disequilibrium
- disestablish
- disfavour
- disfigure
- disfigured
- disfigurement
- disfiguring
- disfranchise
- disgorge
- disgrace
- disgraceful
- disgracefully
- disgruntled
- disguise
- disgust
- disgusted
- Disgusted of Tunbridge Wells
- disgusting
- disgustingly
- dish