Qualm - A sudden feeling of disguise, misleading, doubtfulness or simply uneasiness is known as qualm.
Open Word Class - Noun
1. He was alright till 9:30, but with a qualm he again began to shout as he was doing yesterday.
2. Didn't you see the way she moved her hand to the other side, wasn't it a qualm thing?
3. It is really a qualm for me when she says that she is not coming with me.