mythical

Adjective [change]

Positive
mythical

Comparative
more mythical

Superlative
most mythical

If something is mythical it is from a myth (a story about gods).

There are many mythical stories about the Norse god Thor.
If soemthing is mythical it is not real or not true; that is, it is like something from an fictional story or old myth.

A dragon is a mythical animal.

A mythical way to kill bees is with alcohol but it does not really work
If something is mythical or of mythical proportions it is very great or amazing.

His skill with the baseball bat was mythical.

His team had a win of mythical proportions.