We found 2 dictionaries that define the word without concern:

General (1 matching dictionary)

1. without concern: Rhymezone

Business (1 matching dictionary)

2. without concern: Legal dictionary

Definitions from WordNet (without concern) ▸ adverb:  in an unconcerned manner Phrases: effort without concern about the reward, without cause for concern, without interest or concern, more... ▸ Words similar to without concern ▸ Usage examples for without concern ▸ Idioms related to without concern ▸ Wikipedia articles (New!) ▸ Words that often appear near without concern ▸ Rhymes of without concern ▸ Invented words related to without concern