Use 'misgiving' when you're unsure or worried about something that hasn't happened yet. I have misgivings about the weather during our camping trip next week.
Pro Tip 2/3
Intensity Varies
'Misgiving' can range from a slight doubt to a strong feeling of dread about a situation. Despite minor misgivings, he accepted the job offer.
Pro Tip 3/3
Internal Feeling
'Misgiving' refers to internal doubts, not external criticisms or objections. She voiced her misgivings but agreed to the plan internally.