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The definition of field

Synonyms:	environment, green, discipline, meadow, land, lea (poetic), pasture, mead (archaic), greensward (archaic literary), speciality, line, area, department, territory, province, pale, confine, sphere, domain, specialty, purview, met, bailiwick, reach, range, limit, bounds, sweep, scope, competitor, competition, candidate, runner, applicant, entrant, contestant, Informal deal with, answer, handle, deflect, Sport retrieve, return, stop, catch

From Collins