1. (

• crystalline ,
• crystal_clear ,
• limpid ,
• lucid ,
• pellucid ,
• transparent

) 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" ;

2. (

• diaphanous ,
• filmy ,
• gauzy ,
• gauze-like ,
• gossamer ,
• see-through ,
• sheer ,
• transparent ,
• vaporous ,
• vapourous ,
• cobwebby

) 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" ;

3. (

• guileless ,
• transparent

) free of deceit ;

4. (

• transparent

) easily understood or seen through (because of a lack of subtlety); "a transparent explanation"; "a transparent lie" ;