unfeasibly

adv

Etymology: From un- + feasibly.

1. In an unfeasible manner; not feasibly; to a degree that is impossible or impractical.

   “That the Clash never performed at Glastonbury is more upsetting still, not least because Joe Strummer was 'a good friend of ours'. 'They were meant to play,' says Eavis, tugging at his unfeasibly tight blue shorts.”