Past tense of slide; moved smoothly along a surface while maintaining contact. Can describe gradual movement or decline in position or value.
From Old English 'slīdan' (to slide, glide), related to Middle Low German 'slīden'. The word has maintained its core meaning of smooth movement for over a thousand years.
The past tense 'slid' is irregular because English preserves ancient Germanic strong verb patterns - it's a linguistic fossil that connects us to our Anglo-Saxon ancestors. Interestingly, children often say 'slided' before learning the correct form, showing how language naturally wants to regularize.
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