Synonym for funny and ridiculous. Usually expressed in a shocked manner. However, not usually used in response to a false statement. Not usually used as part of a very long sentence. Example: You just spent $3000 on a motorized scooter? That's redonculous! NOT: Apples grown on vines? That's redonculous.
REDONCULOUS
Meaning of REDONCULOUS in English
Slang English vocab. Английский сленговый словарь. 2012