protect

verb

1. to keep someone or something safe from harm, damage, or danger

   A2

   transitive; often protect somebody/something from/against something

   • "Wear a helmet to protect your head."A2
   • "The soldiers were sent to protect the village from attack."B1
   • "The new law protects workers from unfair treatment."B1
   • "Conservationists are trying to protect endangered species from extinction."C1
   • "Use a cover to protect the table."A2

2. to use a password, software, etc. to keep data or a device safe from access or attack

   B1

   transitive; often protect something with/against something

   • "You should protect your phone with a password."B1
   • "The software protects your computer against viruses."B2

3. to help an industry or business by taxing or limiting foreign competition

   B2

   transitive; often protect something against/from something

   • "The government raised tariffs to protect local farmers."B2
   • "Critics say the policy protects inefficient industries at the expense of consumers."C1