inconsideratus
From LSJ
ἐπὶ ξυροῦ γὰρ ἀκμῆς ἔχεται ἡμῖν τὰ πρήγματα → our affairs are balanced on a razor's edge, our affairs are set upon the razor's edge
Latin > French (Gaffiot 2016)
incōnsīdĕrātus,¹⁴ a, um,
1 qui ne réfléchit pas, inconsidéré : Cic. Div. 2, 59 ; -tior Nep. Con. 5, 1 ; Quint. 2, 15, 28
2 [en parl. de choses] irréfléchi : Cic. Quinct. 80 ; -issimus Cic. Har. 55.