We found 8 dictionaries that define the word treadless:

General (5 matching dictionaries)

1. treadless: Merriam-Webster
2. treadless: Collins English Dictionary
3. treadless: Wiktionary
4. treadless: Dictionary.com
5. treadless: TheFreeDictionary.com

Computing (1 matching dictionary)

6. treadless: Encyclopedia

Medicine (1 matching dictionary)

7. treadless: Medical dictionary

Miscellaneous (1 matching dictionary)

8. treadless: Idioms

(Note: See tread as well.)

Definitions from Wiktionary (treadless) ▸ adjective:  Without treads. Similar: tractionless, trailless, gaiterless, pavementless, footless, mudless, toeless, feetless, soleless, heelless, more... Types: pneumatic, airless, solid, rubber, cordless, treaded, treadle, more... ▸ Words similar to treadless ▸ Usage examples for treadless ▸ Idioms related to treadless ▸ Wikipedia articles (New!) ▸ Popular nouns described by treadless ▸ Words that often appear near treadless ▸ Rhymes of treadless ▸ Invented words related to treadless