sustainer
- n someone who upholds or maintains
they are sustainers of the idea of democracy
- With the boosters gone, the sustainer engine has less dead weight to carry into space.
- They waited 98 weeks for some sponsor to buy their NBC sustainer If I Had the Chance, which was written by Mort, ballyhooed by Lester.
- For the 21st time this year a sponsor gave the nod to a sustainer: from now on Let's Pretend, a CBS sustainer for 13 years, will pretend for Cream of Wheat.