What is another word for penumbral?
Pronunciation: [pˈɛnʌmbɹə͡l] (IPA) 
Penumbral, an adjective often used in astronomy to describe the darker area of a shadow, has several synonyms that can be used to describe the same concept. For example, the term "umbrose" refers to a darker area or shade. Similarly, "kenopsia" can be used to describe the feeling of emptiness or eeriness when in an abandoned or deserted area. "Umbral" is another term to describe the darker area of a shadow, while "crepuscular" is used to describe a shadowy, dimly lit area. Other synonyms that can be used interchangeably with penumbral include "semidarkness," "twilight," and "partial shade".
