At the end of a job interview, most potential employers ask if you have any questions. If this makes you nervous, ask the interviewer their opinion, rather then asking a direct question.
Photo by bpsusf
Over at The Muse, they suggest a subtle change to your questions so you won't seem ignorant:
Frame your question as if you're asking for the opinion or experience of the interviewer.
For example, instead of asking "What's the company culture here?" try "What's your favourite and least favourite thing about office life?"
Instead of "How is the company hoping to grow in the next year?" try "What are you most excited about for the company in the next year?
I'd suggest only asking a few questions in this format -- just the "burning" questions. Eventually your interviewer will catch on or just get annoyed.