"insistent" in the adjective sense
1. insistent, repetitive
repetitive and persistent
"the bluejay's insistent cry"
2. clamant, crying, exigent, insistent, instant
demanding attention
"clamant needs"
"a crying need"
"regarded literary questions as exigent and momentous"- H.L.Mencken
"insistent hunger"
"an instant need"
Source: WordNet® (An amazing lexical database of English)
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