As an adjective mythological
is of, or relating to myths or mythology.
As a noun merperson is
a mythological creature with a human upper half (head, arms, and torso) and a piscine lower half.
mythological
English
Adjective
(-)
of, or relating to myths or mythology
legendary
(colloquial) imaginary, fabulous
Derived terms
* mythologically
See also
* mythical
merperson
English
Noun
(en-noun)
A mythological creature with a human upper half (head, arms, and torso) and a piscine lower half.
Hyponyms
* (female) mergirl, merlady, mermaid, mermaiden, merwoman
* (male) merboy, merguy, merlad, merman
* (parent) merfather, mermother
* (young) merbaby, merchild, merteen