to intentionally fail to meet someone when you said you would, especially someone you were starting to have a romantic relationship with:
Stand-ins
-
to do the job that another person was going to do or usually does, or to take that persons place at an event, because they cannot be there:
Stand-ins meaning & definition 1 of Stand-ins.
-
a person who takes the place or does the job of another person for a short time, for example because the other person is ill or on holiday:
Stand-ins meaning & definition 2 of Stand-ins.
Similar Words