μαψιδίως
From LSJ
ὁ Σιμωνίδης τὴν μὲν ζωγραφίαν ποίησιν σιωπῶσαν προσαγορεύει, τὴν δὲ ποίησιν ζωγραφίαν λαλοῦσαν → Simonides relates that a picture is a silent poem, and a poem a speaking picture | Simonides, however, calls painting inarticulate poetry and poetry articulate painting
French (Bailly abrégé)
adv.
vainement, follement, sans raison.
Étymologie: μαψίδιος.
English (Autenrieth)
rashly (temere), in vain, Il. 2.120; wantonly, Il. 5.759, Od. 3.138, cf. Il. 17.120, Il. 13.627, Il. 2.214.
Russian (Dvoretsky)
μαψῐδίως:
1 беспричинно, безрассудно, напрасно (κεχολῶσθαι Hom.);
2 бесцельно, без дела: κατὰ πρῆξιν ἢ μ.; Hom. по делам или просто так?;
3 дерзко, нагло (ψεύδεσθαι Hom.).