• IPA: /ˈhiːdləs/

heedless

1. Unaware, without noticing; inattentive; careless.

   Antonyms: heedful

   Sing we joyous, all together, heedless of the wind and weather.

   • 1910, Emerson Hough, chapter I, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, OCLC 639762314 ↗, page 0124 ↗:

     "A fine man, that Dunwody, yonder," commented the young captain, as they parted, and as he turned to his prisoner. "We'll see him on in Washington some day. […] A strong man—a strong one; and a heedless." ¶ "Of what party is he?" she inquired, as though casually.

• French: insouciant, inattentif, négligent
• German: unachtsam, achtlos, nicht beachtend, unaufmerksam, unaufmerksam, nicht beachtend, unachtsam
• Italian: sventato, disavveduto
• Spanish: negligente, inconsiderado, indiligente, desatento, distraído, despistado