Dictionary.com
Thesaurus.com

dishwasherproof

American  
[dish-wosh-er-proof, -waw-sher-] / ˈdɪʃˌwɒʃ ərˌpruf, -ˌwɔ ʃər- /

adjective

  1. (of dishes, cooking utensils, etc.) able to withstand washing in an automatic dishwasher without breaking, chipping, fading, etc.


Etymology

Origin of dishwasherproof

dishwasher + -proof