[1] : The Collaborative International Dictionary of English v.0.48

clammy \clam"my\, a. compar. clammier; superl. clammiest.
   cf. as. cl=am clay. see clam to clog, and cf. clay.
   having the quality of being viscous or adhesive; soft and
   sticky; glutinous; damp and adhesive, as if covered with a
   cold perspiration.
   1913 webster
see also:
clammier clammiest clam clay 

[2] : WordNet (r) 2.0

clammiest
     see clammy
see also:
clammy 

[3] : WordNet (r) 2.0

clammy
     adj : unpleasantly cool and humid; "a clammy handshake"; "clammy
           weather"; "a dank cellar"; "dank rain forests" syn: dank
     also: clammiest, clammier
see also:
dank clammiest clammier 

Clammiest >> C Words
Clammiest, definition of term: Clammiest
clammiest_pag1.html