penumbra /pe-numˈbrə/

1. A partial or lighter shadow round the perfect or darker shadow produced by an eclipse or by a large unfocused light source shining on an opaque object
2. The less dark border of a sunspot or any similar spot
3. The part of a picture where the light and shade blend into each other

penumˈbral adjective

• unkindlinesses
• unkindly
• unkindness
• unkindnesses
• unking
• unkinged
• unkinging
• unkinglier
• unkingliest
• unkinglike
• unkingly
• unkings
• unkiss
• unkissed
• unkisses
• unkissing
• unknelled
• unknight
• unknighted
• unknighting
• unknightliness
• unknightlinesses
• unknightly
• unknights
• unknit