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slight

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slight adverb
small in degree, intensity, or extent; faint

He smiled slightly and said nothing.

humble descriptive
lowly or insignificant in status or position

A slight smile appeared on her lips when she heard the good news.

Frequency

Movie subtitles
1.01 per million appears in 1% of films
Written text
28.5 per million

Sources

Definitions
CC-CEDICT