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oath
solemn referendum - Wilson's strategy in the post ww1 election of 1920 regarding approval of the Treaty of Versailles
what is solemn? a solemn is a serious
The correct spelling is "solemn" (serious, formal).
The Catholic Church performs a solemn high mass.
Seeming very solemn, the physician informed the family that their mother had died.
Usually cheerful, the teacher spoke in a solemn tone.