adj.
Function: transitive verb
Inflected Form: ob · scured ; ob · scur · ing
Date: 15th century
1 : to make dark, dim, or indistinct
2 : to conceal or hide by or as if by covering
3 : to reduce (a vowel) to the value \ ə \
– ob · scu · ra · tion \ ˌ äb-skyu ̇ - ' r ā -sh ə n \ noun