A member of the British parliament, or a similar assembly, who does not vote regularly with either the government or the main opposition party.(noun)
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Use "crossbencher" in a sentence
"The rulings coincided with a vote in the House of Lords today to suspend two Labour peers and a crossbencher who wrongly claimed overnight allowances – the most serious sanctions ever taken in the Lords."
"This is a Labour amendment, backed by crossbencher Lord Best and the Bishop of Ripon and Leeds."
"The means test would have applied to cancer patients and stroke survivors, and was denounced by Lord Patel, a crossbencher and former president of the Royal College of Obstetricians, as an immoral attack on the sick, the vulnerable and the poor."