spotlessly en · ADV
Etymology
Etymology tree English spotless Middle English -ly English -ly English spotlessly From spotless + -ly.
Meanings
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In a spotless manner.
And the kaleidescope ^([sic]) of distinctive colours sported by the spotlessly-maintained diesels of many different railways in the great Union stations of cities like Washington and St. Louis must have some thrills even for the most die-hard steam enthusiast.
1955 April, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 261:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| most spotlessly | Degree=Sup | lexicographic | |
| more spotlessly | Degree=Cmp | lexicographic |