From bog +‎ -y.

• enPR: bŏ′-ɡē
• (US) IPA^(key): /ˈbɑ.ɡi/

• Audio (Southern England):

  (file)

• Rhymes: -ɒɡi

boggy (comparative boggier, superlative boggiest)

1. Having the qualities of a bog; i.e. dank, squishy, muddy, and full of water and rotting vegetation.

   Synonyms: marshy, swampy; see also Thesaurus:marshy

   The edge of the woods led out onto a noisome, boggy fen, a paradise for mosquitos and small frogs.

   • 1860, Oliver Wendell Holmes, The professor at the breakfast-table: with the story of Iris:

     Offer a bulky and boggy bun to the suspected individual just ten minutes before dinner. If this is eagerly accepted and devoured, the fact of youth is established.

   • 1924, Herman Melville, chapter 4, in Billy Budd‎^[1], London: Constable & Co.:

     But the might-have-been is but boggy ground to build on.

   • 2021 November 3, Paul Stephen, “As far north as you can go... to Thurso”, in RAIL, number 943, page 49:

     As well as being a magnet for wildlife, Flow Country is also special for its valuable role in mitigating climate change, as the boggy ground provides a huge natural sink for carbon dioxide.