The word EVEREST lends itself easily to the charade break-up EVE REST. No surprise that this clueing style has been used for the word in various publications.
Times Sunday Crossword 4295: Girl takes a break on mountain (7)
Times Sunday Crossword 4282: First mate leads others to the peak (7)
THC 8975: Height of ambition for a leading lady and the others (7)
THC 8847: Girl joins the others on top of the world (7)
Guardian 24459: Highest ambition of first lady remains (7)
Another charade but with a different word split:
Economic Times 3481: Always set out for the highest point (7) EVER EST*
Suggestions for clueing this word differently? Post them in the comments section.