monkey ones back (noun) encumbrance: burden
Sinonime: abiding,
accustomed,
addicted,
chronic,
confirmed,
continuing,
customary, deep-rooted, deep-seated, dyed-in-the-wool,
enduring,
entrenched,
fixed,
habitual, habituated, hard-core, hardened, inbred,
incorrigible, incurable, indurated, ineradicable,
ingrained,
innate, lifelong, long-lasting, long-lived,
obstinate,
old,
perennial,
permanent,
persistent, persisting,
set,
settled,
stubborn, sworn,
usualAntonime: short-lived