Compound Adjectives and -ly Adverbs

  edgood  —  Grammar Tips
Never Hyphenated

Also pay special attention to compounds formed with an adverb ending in ‑ly followed by a past participle, present participle, or other adjective. These compounds are never hyphenated:
widely used procedure (-ly adverb + past participle) publicly traded stock (-ly adverb + past participle) rapidly increasing revenues (-ly adverb + present participle) privately held corporation (-ly adverb + past participle) newly rich nation (-ly adverb + adjective)

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