In a manner opposed to or rejecting formal liturgical practices, ceremonies, and structured religious worship.
From antiliturgical plus -ly (forming adverbs). This adverbial form allows description of how religious groups or individuals practice their faith in opposition to traditional liturgy.
When historians write that early Quakers 'worshipped antiliturgically,' they mean the Friends gathered in silent waiting with no priests, no prayers, no ceremony—just silence and inner light, which was radical enough to get them imprisoned.
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