Untruths (4)
'untruths' is the definition.
(lie is a kind of untruth)
This is the entire clue.
(Other definitions for lies that I've seen before include "Reclines" , "Fibs" , "Perversions of the truth" , "Deceits; is" , "Is prone" .)
'untruths' is the definition.
('falsehood' can be a synonym of 'untruth')
This is all the clue.
(Another definition for falsehoods that I've seen is " Lies".)