Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
This is an evolutionary ‘fight or flight’ response that causes us to be startled when we are surprised.
Source: https://www.discovermagazine.com/mind/why-are-we-so-afraid-of-mice-and-other-rodents