To most commonly means to explain or discuss something in excessive, often annoying, detail. Quick Definitions
"The speaker belabored the issue until the audience lost interest". Key Comparisons Labor vs. Belabor - DAILY WRITING TIPS belabor
"I don't want to belabor the point , but we really are running out of time". To most commonly means to explain or discuss
To harp on a point far longer than necessary. belabor