ALL meanings of over-pronunciation
o·ver-pro·nun·ci·a·tion
O o - verb with object over-pronunciation to pronounce (a word, syllable, etc.) in an exaggerated, affected, or excessively careful manner. 1
- verb without object over-pronunciation to pronounce or speak overcarefully, affectedly, exaggeratedly, etc.: When he overpronounces that way, he seems to be patronizing his audience. 1