cla·mant 
(klāmənt, klămənt)
(klāmənt, klămənt)adj.
1. Clamorous; loud.
2. Demanding attention; pressing.
[Latin clāmāns, clāmant-, present participle of clāmāre, to cry out; see kelə-2 in the Appendix of Indo-European roots.]
clamant·ly adv.