from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Characterized by quirks; evasive, tricky.
from the GNU version of the Collaborative International Dictionary of English
- adj. Consisting of quirks; resembling a quirk.
from The Century Dictionary and Cyclopedia
- Having the character of a quirk; consisting of quirks, quibbles, or artful evasions.
quirk + -ish (Wiktionary)