| blind | heedless, reckless, headstrong |
| careless | reckless, thoughtless, heedless |
| heedless | careless, slack, inattentive |
| securely | over-confidently, carelessly, heedlessly |
| unheedful | careless, heedless, irresponsible |
| unheedfully | heedlessly, carelessly, inattentively |
| unrespective | inattentive, heedless, negligent |