Definition of "comparatively"

And yet I suppose that my life has been, comparatively speaking, a happy one.

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887

Never did I see a more dreary and depressing scene. Miles on miles of quagmire, varied only by bright green strips of comparatively solid ground[.]

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887