Screech/skriːtʃ/ Definition 1 of 3Pro Tip 1/3Sudden Occurrences Used to describe sounds that occur abruptly, indicating surprise or urgency. We jumped as the alarm began to screech unexpectedly. Pro Tip 2/3Negative Emotion Often associated with a negative reaction, such as fear or discomfort. The owl's screech in the dead of night was unsettling. Pro Tip 3/3Strong Intensity Emphasizes the sheer loudness and piercing quality of a sound. Her microphone began to screech during the speech.