Wiktionary
vb. To explain at unnecessary length or in too much detail.
Usage examples of "overexplain".
B underexplains C and overexplains or is retrotensive with A, trying, for example, to read autopoiesis into the physiosphereunconvincingly.
B, or living systems, and make them paradigmatic for all levels, with equally embarrassing results but now in both directions: B underexplains C and overexplains or is retrotensive with A, trying, for example, to read autopoiesis into the physiosphereunconvincingly.
Here, as nowhere else, one walks a tightrope between overexplaining and overassuming, between boring the reader with too many details and losing the reader by not providing enough.
The red sphere, the 3V announcer was overexplaining, was the power sphere, which had to be kept separated from the people, because of the radiation.
He always did that when he was nervous, overexplaining what they already knew.