Third person singular present tense of cram; to stuff or pack something tightly into a space, or to study intensively in a short time.
From Old English cramman (to cram, stuff), from Proto-Germanic *kram-. The sense of intensive study developed from the idea of cramming information into the brain.
Neuroscience shows cramming before a test is actually one of the worst learning strategies—information crammed in fast gets forgotten fast because your brain didn't form stable connections, unlike spaced learning.
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