We found one dictionary that defines the word over achieving:

General (1 matching dictionary)

1. over-achieving: Wordnik

Phrases: extensive or thorough or over achieving, more... ▸ Words similar to over achieving ▸ Usage examples for over achieving ▸ Idioms related to over achieving ▸ Wikipedia articles (New!) ▸ Words that often appear near over achieving ▸ Rhymes of over achieving ▸ Invented words related to over achieving