link

possible

There could be a possible link between regular exercise and better sleep quality.

crucial, essential, important, vital

The internet connection was a crucial link between the remote village and the outside world.

common

Their shared love of music was the common link that brought all the friends together.

causal

Scientists discovered a causal link between regular exercise and improved mental health.

missing

After years of investigation, detectives finally found the missing link that solved the cold case.

tangible

The old family letters provided a tangible link to their ancestors' lives.

build, create, develop, establish, forge, foster, make

The two organizations decided to create links between their research departments.

break, cut, sever

After the argument, he decided to cut his links with his old friends.

via a/the ~

The two offices communicate with each other via a secure video link every morning.

~ across

The new railway bridge creates an important connection across the river.

~ between

There is a strong link between regular exercise and better sleep quality.

~ in

The broken bridge was the weakest link in the transportation network connecting the two towns.

~ to

The new highway provides a direct link to the airport downtown.

~ with

The company's successful partnership began with a strong link with local suppliers.

directly, explicitly

Smoking is directly linked to serious health problems in later life.

indissolubly, inescapably, inevitably, inexorably, inextricably, inseparably

Success in school is inescapably linked to having supportive teachers and parents.

romantically

The famous actor was romantically linked to his co-star after they were seen together at the airport.

in some way, somehow

The two companies are somehow linked through their shared investors.

together, up

The new bike path links together three different neighborhoods in our city.

into

The new highway was linked into the existing road system last year.

to

Researchers have linked poor sleep to increased stress levels in teenagers.

with

A new bridge connects the city with the nearby island.