easygoing.
idle.
inactive.
inert.
lackadaisical.
languid.
lax.
lazy.
dle, indolent, slothful, work-shy, shiftless, loafing, inactive, inert, sluggish, lethargic, languorous, listless, torpid, enervated, slow-moving, slow, heavy, dull, plodding
remiss, negligent, slack, lax, lackadaisical, impassive, good-for-nothing, do-nothing
leisurely
