περιρρεπής
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
English (LSJ)
ές,
A falling over on one side, opp. ἰσόρροπος, Hp.Art.50; αἱ πλάγιαι [κλίσεις] περιρρεπεῖς γίγνονται τῇ κύστει cause the organs to press on the bladder, Ruf.Ren.Ves.11.