We found 3 dictionaries that define the word sinisterity:

General (3 matching dictionaries)

1. sinisterity: Merriam-Webster
2. sinisterity: Collins English Dictionary
3. sinisterity: Wiktionary

Definitions from Wiktionary (sinisterity) ▸ noun:  (rare) Sinisterness. ▸ Words similar to sinisterity ▸ Usage examples for sinisterity ▸ Idioms related to sinisterity ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sinisterity ▸ Words that often appear near sinisterity ▸ Rhymes of sinisterity ▸ Invented words related to sinisterity