overcloud
1. [ verb ] become covered with clouds
Synonyms: cloud_over cloud_up
Examples:

"The sky clouded over"

Related terms: darken
2. [ verb ] make obscure or unclear
Synonyms: obscure bedim
Examples:

"The distinction was obscured"

Related terms: clarify change shadow eclipse mystify
Similar spelling:   overclothe
  overclothes
  overcall
  overzealous
  overjealous
  overcrowd
  overcurious
  overcup_oak
  overact