1. Worn to the naked thread; having the nap worn off; worn out; trite; hackneyed; used till it has lost all novelty or interest.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• rhreadbare,
• fhreadbare,
• ghreadbare,
• yhreadbare,
• 6hreadbare,
• 5hreadbare,
• tgreadbare,
• tbreadbare,
• tnreadbare,
• tjreadbare,
• tureadbare,
• tyreadbare,
• thradbare,
• thredbare,
• threadbar,
• theradbare,
• thredwark,
• thridrare,
• thradbar,
• thredbar

• threadfin,
• threadfish.

The adjective form of the word "threadbare" is "threadbare".

The plural form of "threadbare" is "threadbares".

The singular form of the word "threadbare" is "threadbare".