all-comers
adjective
all-com·ers
¦ȯl-¦kə-mərz
: not restricted to a particular group or category of participants : open
At an all-comers track meet he entered the 1,500 meters in his school shorts and no shoes.—Daniel Silva, The Unlikely Spy, 1995
One week into the exhibition season and the 49ers are practically holding all-comers tryouts for quarterback.—Scott Ostler, San Francisco Chronicle, 15 Aug. 2011
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Merriam-Webster unabridged
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