Definition

The grammatical equivalent of that awkward moment when you're not sure if someone's still talking—it's the suffix or morpheme tacked onto a word's root that changes its meaning, tense, or number. Why 'walk,' 'walked,' and 'walking' aren't the same word.

Example Usage

The '-ed' ending transforms 'jump' into past tense, making all the difference in describing what the cat already did.

Source: Merriam-Webster Dictionary / Linguistics

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