different between retread vs untread

English

Etymology 1

re- +? tread (“grooves carved into the face of a tire”, noun)

Pronunciation

• (verb) enPR: r?-tr?d?, IPA^(key): /?i??t??d/
• (noun) enPR: r??tr?d, IPA^(key): /??i?t??d/
• Rhymes: -?d

Verb

retread (third-person singular simple present retreads, present participle retreading, simple past and past participle retreaded)

1. To replace the traction-providing surface of a vehicle that employs tires, tracks or treads.
2. (Britain) To renew the tread of a tyre, providing a cheap, and possibly dangerous, product.

Synonyms

• (tyre retread): recap (US)

Noun

retread (plural retreads)

1. A used tire whose surface, the tread, has been replaced to extend its life and use.
2. (military, slang) a person who re-entered military service in World War Two after serving in World War One.
   • 1950, Air Force Association, United States Army, Air Force Magazine:

     In Our War the Retreads usually slinked in over-aged, over-weight and overcautious in the face of a new generation.

   • 1971, Brian Garfield, The thousand-mile war: World War II in Alaska and the Aleutians:

     They were retreads and recruits under a small cadre of Regular Army officers and noncoms.

   • 1976, James Jones, Art Weithas, WW II: a chronicle of soldiering:

     We retreads upset everybody.

   • 2006, Keith E Bonn, When the Odds Were Even:

     As with the 100th Division, many of the replacements joining the 103d were "retreads" from the technical services or antiaircraft and aviation troops...

Translations

Etymology 2

re- +? tread (verb)

Alternative forms

• re-tread

Pronunciation

• enPR: r?-tr?d?, IPA^(key): /?i??t??d/
• Rhymes: -?d

Verb

retread (third-person singular simple present retreads, present participle retreading, simple past retrod, past participle retrodden)

1. (transitive) to tread again, to walk along again, to follow a path again.

Noun

retread (plural retreads)

1. (sometimes figuratively) A return over ground previously covered; a retraversal or repetition.

Anagrams

• rerated, retrade, treader

English

Etymology

un- +? tread

Verb

untread (third-person singular simple present untreads, present participle untreading, simple past and past participle untrod)

1. (transitive) To retread (one's steps) in the opposite direction; to walk back.

Anagrams

• daunter, natured, unarted, unrated, untared