Flightiness and Poppycock

Flightiness noun - A lack of seriousness often at an improper time.

Poppycock and flightiness are semantically related. In some cases you can use "Poppycock" instead a noun "Flightiness".

Poppycock noun - Language, behavior, or ideas that are absurd and contrary to good sense.

Flightiness and poppycock are semantically related. Sometimes you can use "Flightiness" instead a noun "Poppycock".