deceitful

• deceiptful, deceiptfull, deceitfull (all obsolete)

From deceit +‎ -ful.

• (UK) IPA^(key): /dɪˈsiːtfʊl/, /-fl̩/

• Audio (Southern England):

  (file)

deceitful (comparative more deceitful, superlative most deceitful)

1. Deliberately misleading or cheating.
   • c. 1590–1591 (date written), William Shakespeare, “The Two Gentlemen of Verona”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene vii]:

     All theſe are ſeruants to deceitfull men.

   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Proverbs 27:6:

     Faithfull are the woundes of a friend : but the kiſſes of an enemy are deceitfull.

   • a. 1826, Thomas Moore, “This World Is All a Fleeting Show”, in The Works of Thomas Moore, stanza 1, page 471, lines 1–5:

     This world is all a fleeting show, / For man’s illusion given ; / The smiles of Joy, the tears of Woe, / Deceitful shine, deceitful flow — / There’s nothing true but Heaven !

2. Deceptive, two-faced.

• See also Thesaurus:deceptive

• “deceitful”, in OneLook Dictionary Search.
• deceitful in Britannica Dictionary
• deceitful in WordReference English Collocations