transparent in WordNet English dictionary

1. transmitting light; able to be seen through with clarity
   "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent crystal"
   crystalline  crystal clear  limpid  lucid  pellucid  transparent 
   
2. so thin as to transmit light
   "a hat with a diaphanous veil"; "filmy wings of a moth"; "gauzy clouds of dandelion down"; "gossamer cobwebs"; "sheer silk stockings"; "transparent chiffon"; "vaporous silks"
   diaphanous  filmy  gauzy  gauze-like  gossamer  see-through  sheer  transparent  vaporous  vapourous  cobwebby 
   
3. free of deceit
   guileless  transparent 
   
4. easily understood or seen through (because of a lack of subtlety)
   "a transparent explanation"; "a transparent lie"
   transparent