0 stupid or unreasonable and deserving to be laughed at:
a ludicrous idea/suggestion
1 ridiculous or foolish; unreasonable or unsuitable:
The world, as he saw it, was full of chisellers and con-men, hypocrites and grifters who were either ludicrous or malevolent or both.
Misplaced confidence in future progress often looks ludicrous when viewed retrospectively through the tunnel of time.
The music is reputed to be very good, the miniatures are fanciful, with monsters and ludicrous bodies in many borders of the book.
Much modern secondary literature besides stands convicted of ludicrous credulity and tendentiousness.
This, of course, is ludicrous : nonexistent things have no properties whatsoever.
Declarations that archaeology can only be pure politics are both ludicrous and terrifying.
Indeed, one could even consider the first to be ludicrous, as it revolves around a fight for hierarchical elevation.
This is a ludicrous position no egalitarian accepts.