From Wiktionary, the free dictionary
From semi- + mystical.
semimystical (not comparable)
- Somewhat or partially mystical
1988 December 23, Tom Boeker, “Candyland: The Saga of Helen Brach and Her Pet Poodle Sugar”, in Chicago Reader[1]:Once the rather obvious satire begins to fall apart, the play simply drags on into a semimystical treatment of the master/pet relationship.