bulletproof

adjective bul·let·proof \ ˈbu̇-lət-ˌprüf also ˈbə- \
|Updated on: 16 Jun 2018

Definition of bulletproof

1 : impenetrable to bullets
  • bulletproof glass
2 : not subject to correction, alteration, or modification
  • a bulletproof argument

Examples of bulletproof in a Sentence

  1. The car has bulletproof windows.

  2. The police officer was wearing a bulletproof vest.

Recent Examples of bulletproof from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bulletproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bulletproof

1693

in the meaning defined at sense 1

See Words from the same year
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BULLETPROOF Defined for English Language Learners

bulletproof

Definition of bulletproof for English Language Learners

  • : made to stop bullets from going through


BULLETPROOF Defined for Kids

bulletproof

adjective bul·let·proof \ ˈbu̇-lət-ˌprüf \

Definition of bulletproof for Students

: made to stop bullets from going through


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