His fear of flying is completely irrational, given how safe air travel is.
She made an irrational decision in the heat of the moment, without thinking it through.
Owls are nocturnally active, hunting for food when it’s dark.
Bats are nocturnally adapted to find their way in the dark using echolocation.
He has a tendency to procrastinate, often leaving tasks until the last minute.
There is a growing tendency among young people to use social media as their main source of news.
The stadium was virtually empty by the end of the game.
She was virtually guaranteed the job after her impressive interview performance.
The festival is a holdover from ancient traditions still practiced today.
Some outdated laws are holdovers from a much older legal system.
