On
review aggregator Rotten Tomatoes, the film holds an approval rating of based on reviews, with an average rating of . The website's critics consensus reads, "Queasily compelling without ever truly coming together,
The Lie won't fool many viewers seeking worthwhile horror fare." On
Metacritic, the film has a
weighted average score of 45 out of 100, based on 13 critics, indicating "mixed or average reviews". Kate Erbland of
IndieWire wrote, "Too stupid to be the hard-hitting drama it was first sold as and too self-important to be the
black comedy it really should be, Sud's film is a master class in bad decision-making, improbable choices, and overwrought acting." A.A. Dowd of
The A.V. Club gave it a C− grade, calling the film "laughably ludicrous" and saying that it "seems to fancy itself a meditation on the extremes parents will go to on their children's behalf, but it's curiously disinterested in what should be its driving dramatic force: how Kayla's crime—and how little it seems to weigh on her conscience—might challenge their unconditional love for her."
RogerEbert.com's Nick Allen gave it 1.5/4 stars, writing, "Very little about this movie works, in spite of a certain ambition in telling a story based solely on unfathomable decisions."
The Guardian's Phil Hoad gave it 4/5 stars, writing, "the couple are so blinkered in protecting their offspring that it prevents
The Lie from entering more psychologically torn territory that might have made it profound. Instead it's merely car-crash compelling." Al Horner of
Empire gave it 3/5 stars, calling it "A watchable tale of parental dread, propelled by a strong conceit and sustained tension - but let down by its outlandish twist." == References ==