unprotective

/ˌʌnprəˈtɛktɪv/
adjective
  1. Not providing or intended to provide protection; not protective.
    • His unprotective attitude left his younger siblings feeling unsafe.
    • The helmet was unprotective and offered no real safety in a crash.
    • The unprotective coating allowed the metal to rust quickly.
Antonyms
What does "unprotective" mean? | whatsthatwordmean | whatsthatwordmean