protect

fully

adequately, properly, suitably

inadequately

carefully

effectively, successfully

jealously, rigorously

The company rigorously protects its customers' personal information from unauthorized access.

need to

seek to, strive to, try to

act to, fight to

Environmental groups are acting to protect endangered species from habitat destruction.

take steps to

The government took steps to protect local businesses from closing down during the pandemic.

help (to)

serve to

be designed to

against

A good umbrella protects you against heavy rain when you're walking outside.

from

A good helmet protects cyclists from serious head injuries during accidents.

with

She protected her skin with sunscreen before spending the day at the beach.

be aimed at protecting sth, a desire/duty/need to protect sb/sth

Many parents feel a strong desire to protect their children from harm.

heavily/highly protected

The president's residence is heavily protected by armed security guards at all times.

legally/officially/specially protected

The new nature reserve is officially protected by the government to keep endangered animals safe.

measures to protect sb/sth, poorly/well protected

The government introduced new measures to protect endangered species from illegal hunting.