IPA: /sɪŋˈkrɒnəsnəs/
KK: /sɪŋˈkrɒnəsnəs/
The quality or state of occurring at the same time or in a coordinated manner.
The synchronousness of the two events made it difficult to determine which one caused the other.
Synchronousness → It is formed from "synchronos" (from Greek "synchronos", meaning occurring at the same time) and the suffix "-ness" (meaning the state or quality of). The word "synchronousness" refers to the quality of occurring at the same time.
Think of 'synchronos' meaning 'at the same time' — this helps you remember that 'synchronousness' describes the state of things happening together.