Conspicuously and offensively loud; given to vehement outcry.

synoniemen: blatant, clamorous, strident, vociferous.

Roget 411: crying etc. v.; clamant^†, clamorous; vociferous; stentorian etc. (loud) 404; open-mouthed.   

Pools: hałaśliwy

Demanding attention:
— Clamant needs.

synoniemen: crying, exigent, insistent, instant.