fastened, attached, or placed so as to be firm and not readily movable; firmly implanted; stationary; rigid.

rendered stable or permanent, as color.

set or intent upon something; steadily directed

a fixed stare.

definitely and permanently placed

a fixed buoy; a fixed line of defense.

not fluctuating or varying; definite

a fixed purpose.

supplied with or having enough of something necessary or wanted, as money.

coming each year on the same calendar date

Christmas is a fixed holiday, but Easter is not.

put in order.

Informal . arranged in advance privately or dishonestly

a fixed horse race.

Chemistry .

(of an element) taken into a compound from its free state.

nonvolatile, or not easily volatilized

a fixed oil.

Mathematics . (of a point) mapped to itself by a given function.

adjective

changeable , impermanent , unfixed , unsteady , indefinite , irresolute , unestablished , variable , broken , in disrepair

adjective

anchored , attached , established , fast , firm , hitched , hooked , immobile , immotile , immovable , located , locked , made fast , nailed , quiet , rigid , rooted , secure , set , settled , situated , solid , stable , steadfast , stiff , still , tenacious , tight , abiding , agreed , arranged , certain , changeless , circumscribed , confirmed , decided , defined , definite , definitive , determinate , enduring , inalterable , inflexible , in the bag * , inveterate , level , limited , narrow , never-failing , planned , prearranged , precise , resolved , restricted , rigged , set-up , stated , steady , stipulated , sure , unbending , unblinking , unchangeable , undeviating , unfaltering , unflinching , unmodifiable , unmovable , unqualified , unwavering , back together , going , in order , in working order , mended , put right , rebuilt , refitted , sorted , whole , stationary , unmoving , flat , bent , determined , intent , resolute , ascertain , capture , constant , embedded , explicit , fastened , frozen , incessant , permanent , sessile , staid , stereotyped , stubborn , unchangeablesteadfast