Example sentences from the web:

• He’s always making inane remarks.
• Five minutes have passed since you started this inane conversation.
• The film’s plot is inane and full of clichés.

Words from the example sentences you may not know:

– To yammer => (informal) to talk in an annoying way usually for a long time.
– Cliché => something that people have said or done so much that it has become boring or has no real meaning.