threadbare

/ˈθrɛdˌbɛr/
adjective
  1. (of fabric or clothing) worn so thin that the threads are visible; shabby from overuse.
    • The old rug had become threadbare from years of foot traffic.
    • His coat was threadbare at the elbows.
    • She replaced the threadbare curtains with new ones.
  2. (of an argument, excuse, or idea) weak, overused, and no longer effective or convincing.
    • That joke is so threadbare that nobody laughs anymore.
    • The politician's threadbare promises failed to inspire anyone.
    • He offered a threadbare excuse for being late.
Antonyms
What does "threadbare" mean? | whatsthatwordmean | whatsthatwordmean