[syn: clamant, crying, exigent, insistent, instant]
The Collaborative International Dictionary of English v.0.48:
Clamant \Cla"mant\, a. [L. clamans, p. pr. of clamare to call.
   Cf. Claimant.]
   Crying earnestly, beseeching clamorously. "Clamant children."
   --Thomson.
   [1913 Webster]
WordNet (r) 3.0 (2006):
clamant
    adj 1: conspicuously and offensively loud; given to vehement
           outcry; "blatant radios"; "a clamorous uproar"; "strident
           demands"; "a vociferous mob" [syn: blatant, clamant,
           clamorous, strident, vociferous]
    2: demanding attention; "clamant needs"; "a crying need";
       "regarded literary questions as exigent and momentous"-
       H.L.Mencken; "insistent hunger"; "an instant need" [syn:
       clamant, crying, exigent, insistent, instant]