Blah and Lightless

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

Lightless and blah are semantically related In some cases you can use "Lightless" instead an adjective "Blah".

Lightless adjective - Being without light or without much light.

Blah and lightless are semantically related in darkish topic. Sometimes you can use "Blah" instead an adjective "Lightless".