ἥδιστα
From LSJ
τίς γὰρ ἁδονᾶς ἄτερ θνατῶν βίος ποθεινὸς ἢ ποία τυραννίς; τᾶς ἄτερ οὐδὲ θεῶν ζηλωτὸς αἰών → What human life is desirable without pleasure, or what lordly power? Without it not even the life of the gods is enviable.
French (Bailly abrégé)
v. ἡδέως.
English (Strong)
neuter plural of the superlative of the same as ἡδέως; with great pleasure: most (very) gladly.
English (Thayer)
(neuter plural of the superlative ἥδιστος from ἡδύς), adverb, most gladly (cf. ἡδέως): Sophocles, Xenophon, Plato, others.)
Russian (Dvoretsky)
ἥδιστα: superl. к ἡδέως.