unearthed
Unearthed (adj) means not connected to an electrical earth (ground) wire. Example: “The old wiring was unearthed and dangerous.”
How to use unearthed
Learner’s notesIn plain EnglishA UK electrical term for wiring or an appliance without a proper ground connection.
This electrical sense uses British terminology ("earth"); American English would say "ungrounded."
Fill the gap
Can you complete this real example?
The old wiring was _____ and dangerous.
Etymology
From un- ("not") plus earthed, the past participle of earth (in the electrical sense).