Hunch/hʌntʃ/ Definition 1 of 3Pro Tip 1/3Trust Your Instincts Use 'hunch' when you trust your instincts over evidence. Despite the clear skies, I have a hunch it'll rain. Pro Tip 2/3Uncertain Future 'Hunch' suggests you're unsure but suspect something might happen. I have a hunch he'll be late again today. Pro Tip 3/3Personal Guess Use 'hunch' for personal guesses not to be taken as fact. My hunch is that she won't agree to the deal.