See decamp in Webster's New World Roget's A-Z Thesaurus II
verb
To break loose and leave suddenly, as from confinement or from a difficult or threatening situation:
abscond, break out, escape, flee, fly, get away, run away. (Informal) skip (out). (Slang) lam. (Regional) absquatulate. Idioms: blow (or fly) the coop, cut and run, give someone the slip, make a getaway, take flight, take it on the lam. See free
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