[ dih-seet-fuhl ]
See synonyms for deceitful on
  1. given to deceiving: A deceitful person cannot keep friends for long.

  2. intended to deceive; misleading; fraudulent: a deceitful action.

Origin of deceitful

late Middle English word dating back to 1400–50; see origin at deceit, -ful

Other words for deceitful

Opposites for deceitful

Other words from deceitful

  • de·ceit·ful·ly, adverb
  • de·ceit·ful·ness, noun
  • un·de·ceit·ful, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use deceitful in a sentence

  • He that seeketh the law, shall be filled with it: and he that dealeth deceitfully, shall meet with a stumblingblock therein.

  • All these princes go out of the way, they walk deceitfully, they are brass and iron: they are all corrupted.

  • And after friendships, he will deal deceitfully with him: and he shall go up, and shall overcome with a small people.

  • And when they shall have fallen, they shall be relieved with a small help: and many shall be joined to them deceitfully.

  • These had either refused to Covenant to obey him, or had promised to him deceitfully.

British Dictionary definitions for deceitful


/ (dɪˈsiːtfʊl) /

  1. full of deceit

Derived forms of deceitful

  • deceitfully, adverb
  • deceitfulness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012