This is the 3924th most frequent Swedish word.
ljugit
"Ljugit" means "lied" (past participle of "to lie").
The word 'ljugit' is used as the past participle in the present perfect tense, indicating an action (lying) that has occurred in the past and is relevant to the present.
Han har ljugit för mig om planen.
He lied to me about the plan.
Here, 'ljugit' serves as the past participle in the present perfect tense, negated, showing the action (lying) did not occur and emphasizing the truthfulness.
Det har blivit tydligt att hon inte har ljugit.
It has become clear that she did not lie.
In this instance, 'ljugit' is part of the conditional past perfect construction, speculating or questioning the likelihood of the action (lying) having occurred.