open primary
noun
a direct primary election in which voters need not meet a test of party membership.
Origin of open primary
An Americanism dating back to 1930–35
Words nearby open primary
open order,
open plan,
open pneumothorax,
open policy,
open position,
open primary,
open prison,
open punctuation,
open question,
open quote,
open reduction
British Dictionary definitions for open primary
open primary
noun
Cultural definitions for open primary
open primary
A type of direct primary open to voters regardless of their party affiliation. Voters need not publicly declare their party affiliation but must vote for candidates of only one party. The opposite is a closed primary, in which only registered members of a party may vote.