The Collaborative International Dictionary of English v.0.48:

Moist \Moist\, v. t.
   To moisten. [Obs.] --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Moist \Moist\, a. [OE. moiste, OF. moiste, F. moite, fr. L.
   muccidus, for mucidus, moldy, musty. Cf. Mucus, Mucid.]
   1. Moderately wet; damp; humid; not dry; as, a moist
      atmosphere or air. "Moist eyes." --Shak.
      [1913 Webster]

   2. Fresh, or new. [Obs.] "Shoes full moist and new." "A
      draught of moist and corny ale." --Chaucer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

moist
    adj 1: slightly wet; "clothes damp with perspiration"; "a moist
           breeze"; "eyes moist with tears" [syn: damp, dampish,
           moist]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "moist":
   boggy, clammy, damp, dampish, dank, dewy, drippy, drizzly, fenny,
   foggy, gooey, humid, lachrymose, marshy, maudlin, misty, muggy,
   mushy, rainy, roric, roriferous, sappy, slushy, soggy, soupy,
   steamy, sticky, swampy, tacky, tearful, teary, undried, wet,
   wettish