exigent

adjectives

demanding attention

"clamant needs"; "a crying need"; "regarded literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an instant need"

clamant, crying, exigent, insistent, instant

is derived from

is derived from

requiring precise accuracy

"an exacting job"; "became more exigent over his pronunciation"

exacting, exigent