παιγνιῶδες

From LSJ

δεξιὸν εἰς ὑπόδημα, ἀριστερὸν εἰς ποδάνιπτρα → the right foot into a shoe, the left into a foot-bath | of one who is ready for anything

Source

Russian (Dvoretsky)

παιγνιῶδες: τό шутливость, юмор Xen.