Word forms: plural blips1. countable nounA blip is a small spot of light, sometimes occurring with a short, high-pitched sound, which flashes on and off regularly on a piece of equipment such as a radar screen.
2. countable nounA blip in a straight line, such as the line on a graph, is a point at which the line suddenly makes a sharp change of direction before returning to its original direction.
3. countable nounA blip in a situation is a sudden but temporary change or interruption in it.
...a minor blip in the upward trajectory of the markets.