In a noticeable manner.

The lady was dressed in black, the girl was noticeably smart, in a pretty blue costume, with dainty boots on her tiny feet, and a fur cap worn at the fashionable angle on her golden head. – Betty Trevor by Mrs. G. de Horne Vaizey

In appearance she had become noticeably younger. – The Window-Gazer by Isabel Ecclestone Mackay

Judd was really embarrassed and noticeably awkward. – Over the Line by Harold M. Sherman

But as these were sometimes noticeably absent, it was concluded that they were not altogether of Nature's making. – Life's Little Ironies A set of tales with some colloquial sketches entitled A Few Crusted Characters by Thomas Hardy

A few boulders, noticeably infrequent, are scattered along the beach as you approach from Kingston. – Nooks and Corners of the New England Coast by Samuel Adams Drake