groundless

From Middle English groundles, from Old English grundlēas, from Proto-Germanic *grundulausaz, equivalent to ground +‎ -less. Cognate with Dutch grondeloos, German Low German grundlos, German grundlos, Danish grundløs, Swedish grundlös.

• Audio (US)

  (file)

groundless (comparative more groundless, superlative most groundless)

1. Without any grounds to support it; baseless.
   • 1840, Lewis Rose, chapter III, in An Humble Attempt to Put an End to the Present Divisions in the Church of Scotland, and to Promote Her Usefulness. […] ‎, Glasgow: George Gallie, →OCLC, page 51:

     [B]e the consequences what they may, they shall not move an inch, nor a hair's-breadth from the ground of their groundless spiritual independence, […]

   • 2013 November 3, Delme Parfitt, “Cardiff City 1 - 0 Swansea City: Steven Caulker heads Bluebirds to South Wales derby win”, in Wales Online:

     At that stage any fears among home fans of a possession monopoly by Laudrup's side were proving groundless, with Cardiff having their fair share of the ball and territory.

• baseless
• unfounded
• unsupported

• groundlessly
• groundlessness

• groundsels