Thank you for the full definition of 'qualm'. Hahaha

qualm
   /kwɑm, kwɔm/ [kwahm, kwawm]
–noun
1. an uneasy feeling or pang of conscience as to conduct; compunction: He has no qualms about lying.
2. a sudden feeling of apprehensive uneasiness; misgiving: a sudden qualm about the success of the venture.
3. a sudden sensation or onset of faintness or illness, esp. of nausea.

Origin:
1520–30; orig. uncert.