- slippery, tricky, teflon - not to be trusted; "how extraordinarily slippery a liar the camera is"- James Agee; "they called Reagan the teflon president because mud never stuck to him"
Antonyms: trustworthy, trusty (indirect, via untrustworthy)
- Teflon, polytetrafluoroethylene - a material used to coat cooking utensils and in industrial applications where sticking is to be avoided
--1 is a kind of plastic