We found one dictionary that defines the word on the grounds:

Business (1 matching dictionary)

1. on the grounds: Legal dictionary

Phrases: on the grounds that, on the grounds of, more... ▸ Words similar to on the grounds ▸ Usage examples for on the grounds ▸ Idioms related to on the grounds ▸ Wikipedia articles (New!) ▸ Words that often appear near on the grounds ▸ Rhymes of on the grounds ▸ Invented words related to on the grounds