WordReference English-Spanish Dictionary © 2015:

Principal Translations
liar nnoun: Refers to person, place, thing, quality, etc. ([sb] who lies repeatedly)embustero nmnombre masculino: Sustantivo de género exclusivamente masculino ("televisor", "piso").
  mentiroso nmnombre masculino: Sustantivo de género exclusivamente masculino ("televisor", "piso").
 Richard is a chronic liar; he almost never tells the truth.
 
Additional Translations
liar interjinterjection: Exclamation--for example, "Oh no!" "Wow!" (accusation)¡mentiroso! interjinterjección: Interjección o exclamación, propia o impropia, de una sola palabra ("uy", "uf", "bravo", "viva").
 Tom shouted at his friend, "Liar! That's not true!"
  Is something important missing? Report an error or suggest an improvement.

WordReference English-Spanish Dictionary © 2015:

Compound Forms:
compulsive liar nnoun: Refers to person, place, thing, quality, etc. (person: habitually tells lies)mentiroso compulsivo, mentirosa compulsiva nm, nf + adj
pathological liar nnoun: Refers to person, place, thing, quality, etc. (person: lies compulsively)mentiroso compulsivo nm + adj
 That boy is a pathological liar, if his lips are moving, he's lying!
  mentiroso patológico nm + adj
 * No había ninguna razón para que me mintiera, es un mentiroso patológico.
  Is something important missing? Report an error or suggest an improvement.

'liar' found in these entries
In the English description:
Spanish:

Download free Android and iPhone apps

Android AppiPhone App
Infórmanos de los anuncios inapropiados.