We found 9 dictionaries that define the word lost ground:

General (4 matching dictionaries)

1. lost ground: Merriam-Webster
2. lost ground: Wiktionary
3. Lost Ground (EP), Lost Ground: Wikipedia, the Free Encyclopedia
4. lost ground: TheFreeDictionary.com

Business (1 matching dictionary)

5. lost ground: Legal dictionary

Computing (1 matching dictionary)

6. lost ground: Encyclopedia

Medicine (1 matching dictionary)

7. lost ground: Medical dictionary

Miscellaneous (2 matching dictionaries)

8. AbbreviationZ (No longer online)
9. lost ground: Idioms

Definitions from Wiktionary (lost ground) ▸ noun:  A portion of a lead or advantage that has been subsequently lost. Similar: losing, left-behind, default, loser, loose ends, lossage, losership, lost motion, fall, unprogress, more... Opposite: gained ground, progress, advancement, improvement ▸ Words similar to lost ground ▸ Usage examples for lost ground ▸ Idioms related to lost ground ▸ Wikipedia articles (New!) ▸ Words that often appear near lost ground ▸ Rhymes of lost ground ▸ Invented words related to lost ground