Resembling a comet in appearance, movement, or characteristics; having qualities similar to those of a comet.
Compound word formed from 'comet' plus the productive English suffix '-like' (meaning 'resembling'). This construction pattern is ancient and highly productive in English.
The '-like' suffix is one of English's most democratic features—anyone can stick it onto a noun to create instant comparisons, which is why we can say something is 'comet-like' without checking a dictionary.
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