Definition

Relating to the time of day when the sun is setting or just after it has set, often associated with the activity of certain animals that are active during this time.

Example

Bats are crepuscular creatures, often flying around at dusk.

Conversation

Have you ever noticed how crepuscular animals are more active at dusk?

Yeah, I've seen bats flying around during that time!

It's interesting how many creatures adapt to the twilight hours.

Definitely! I love watching the crepuscular moments when the day turns to night.

Synonyms & Antonyms

Root Explanation

Crepuscular is formed from "crepusculum" (meaning twilight) in Latin, which refers to the time of day when the sun is below the horizon but the sky is still illuminated. The suffix "-ar" indicates relating to. Thus, crepuscular describes animals or phenomena that are active during twilight hours.

Memory Tip

Think of the Latin word for twilight, 'crepusculum', to remember that 'crepuscular' refers to things that are active during the twilight hours.

Visually Confused Words