Collocation Dictionary
Common collocations with liar in American Collocation
describing someone who cannot stop telling lies
compulsive
habitual
pathological
Jenkins was described in court as a compulsive liar.
emphasizing that someone is a liar
big
Don’t believe him – he’s the biggest liar in the school.
good/bad at telling lies
bad
good
Poor Milly is not a very good liar.
be
call someone
Are you calling me a liar?
cheat
fool
hypocrite
thief
The play portrays all politicans as cheats and liars.