Overcloud

v. t.

1.

To cover or overspread with clouds; to becloud; to overcast.

Verb	1.	overcloud - become covered with clouds; "The sky clouded over" Synonyms: cloud over, cloud up
	2.	overcloud - make obscure or unclear; "The distinction was obscured" Synonyms: bedim, obscure

cloud over, cloud up, darken