lifeline

/ˈlaɪfˌlaɪn/
noun
  1. A rope or line used to rescue someone from danger, especially from water.
    • The sailor grabbed the lifeline as the wave swept him overboard.
    • The lifeguard threw a lifeline to the struggling swimmer.
    • During the flood, rescuers used a lifeline to pull people from the rooftops.
  2. Something that provides essential help or support in a difficult situation.
    • Her weekly phone calls with her sister were a lifeline when she felt lonely.
    • The emergency food bank was a lifeline for many families during the crisis.
    • The scholarship was a lifeline that allowed him to attend college.
  3. A line used by a diver or astronaut for safety and communication.
    • The astronaut's lifeline kept her connected to the spacecraft during the spacewalk.
    • The diver checked his lifeline before descending into the dark water.
    • A tangled lifeline can be dangerous for an underwater explorer.
Synonyms
What does "lifeline" mean? | whatsthatwordmean | whatsthatwordmean