clamant

1. conspicuously and offensively loud; given to vehement outcry;

"blatant radios"

"a clamorous uproar"

"strident demands"

"a vociferous mob"

2. demanding attention;

"clamant needs"

"a crying need"

"regarded literary questions as exigent and momentous"- H.L.Mencken

"insistent hunger"

"an instant need"