B1
an imaginary creature that is large, ugly, and frightening
Dictionary examples:
I saw a monster in the mirror this morning, but it was just me before coffee. (0.0)
I thought I saw a monster under my bed, but it was just my cat wearing a sock. (0.0)
I tried to draw a scary monster, but it looked more like a sad potato. (0.0)
a sea monster (26.8)
the Loch Ness monster (44.8)