unattainably's Usage Examples:

London, recalling the time he felt free and had a Burmese girlfriend, now unattainably far away.

They also go on to state that she is "unattainably posh".

respect to the chosen reference frame (v = 0 in (2) above) but also (in an unattainably hypothetical situation) infinitely far away from its gravitational masses.

though they were still quite young, they struck us as so mature and so unattainably adult.

"It’s the type of painstaking, ambitious work you’d hope for in an unattainably perfect world," wrote Marc Hogan, "every detail full of love.

manifestation of this personality style, of an insistence upon meeting unattainably high standards of performance.

Synonyms:

unachievably;