Foreglimpse is a fairly rare word that refers to a brief or fleeting preview or glimpse of something that is about to occur or come into view. It can also refer to a vague or early indication of something that may happen in the future. There are several synonyms that convey similar meanings to foreglimpse, including premonition, anticipation, expectation, foreshadowing, forewarning, portent, hint, clue, signal, and prelude. Each of these words conveys the idea of having a sense of what is to come, or witnessing a small preview of what is about to happen. They all suggest a sense of foreknowledge or insight into future events.