We don't have synonyms for open field yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are open-field, penfield and open file.
(n) :
(idiomatic, by extension) A situation with no obstacles or limitations; a clear opportunity to act freely or without significant competition.
(n) :
(military) A large, unobstructed area of land with minimal cover, exposing troops to potential enemy fire with little opportunity to hide or take cover.
(n) :
(idiomatic, by extension) A situation with no obstacles or limitations; a clear opportunity to act freely or without significant competition.
(n) :
(military) A large, unobstructed area of land with minimal cover, exposing troops to potential enemy fire with little opportunity to hide or take cover.