solemnly

Solemnly is an adverb that describes doing something in a serious, formal, or earnest manner. It characterizes actions performed with gravity, dignity, or ceremony, as opposed to lighthearted or casual behavior. The word is commonly used to describe how statements are made, how vows are exchanged, or how rituals and ceremonies are conducted.

Etymology and form: Solemnly derives from the adjective solemn. The adjective comes from Old French solennel, which itself traces to Latin solennis (also seen as sollemnis), meaning ceremonial or formal. The suffix -ly converts the adjective into an adverb, yielding solemnly.

Usage and nuance: Solemnly appears in legal, religious, ceremonial, and official contexts—such as oaths, declarations, prayers, and memorials—where a sense of seriousness is appropriate. In literature or rhetoric, it can signal gravity or respect, and in everyday speech it can convey sincerity. While generally neutral or slightly formal, its use can sometimes come across as pompous if overused or mismatched to the situation.

Examples: He promised solemnly to tell the truth. The judge spoke solemnly about the consequences of deception. They pledged solemnly to uphold the constitution at the ceremony.

Related terms: solemn, solemnity, ceremony. Forms like more solemnly and most solemnly are produced in the standard comparative and superlative pattern for adverbs ending in -ly.