Similar words: guile, beguile, beguiled, baleful, doleful, guileless, balefully, dolefully. Meaning: [gaɪlfʊl] 
adj. marked by skill in deception.
adj. marked by skill in deception. 1 Guileful and ruthless, he was a generous and steadfast friend.
2 But you could do them harm by guileful means.
3 Deep abysses, steep mountains, guileful catapult traps, hidden alleys and slippery ice-columns: there are jeopardies around every corner of the Lemurs world.
4 Being cruel, guileful and unscrupulous, the terrorist committed all manners of crimes including murder and arson.
5 I didn't see my own expression, but I saw his guileful eyes.
More similar words: guile, beguile, beguiled, baleful, doleful, guileless, balefully, dolefully, guilt, guild, guilty, guilder, not guilty, guiltily, beguiling, guillotine, single file, in single file, useful, woeful, eyeful, rueful, careful, fateful, tuneful, bodeful, hateful, usefully, gleeful, wakeful.