This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
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v. To spread or extend over the surface of: Dark clouds are overspreading the sky.

v. To spread over or across (something); to permeate, overrun.

v. To spread over; to cover.

verb-intransitive. To be spread or scattered over.

To spread over; cover over.

To be scattered over.

To be spread or scattered about.

v. spread across or over

"Rain, sometimes quite heavy (especially from DC and to the east), will again overspread the metro region over the next several hours."

overspreading    overspreads   

cover    extend    continue   

transgress   

overspreading   

cover    spread    covert    overcome    mantle    overmantle    immantle    overcast    lay    film   

shrub-covered    tbl    autocalibration    carneous    deliciousness    snow-clad