Also Inflected form of sub subbing sub·bing US/ˈsʌbɪŋ/ uncommon noun 1. working as a substitute for someone who is ill or on leave of absence Synonymssubstituting Related words Word family substitutesub Broader terms work WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.
