securely (adv.)
over-confidently, carelessly, heedlessly
R2 II.i.266[Northumberland to Ross and Willoughby] We see the wind sit sore upon our sails / And yet we strike not, but securely perish
TC IV.v.73.2[Achilles to Agamemnon, reacting to ''Tis done like Hector'] But securely done
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