glashelder

Glashelder is a Dutch adjective meaning crystal clear or completely transparent. It is formed from the noun glas (glass) and the adjective helder (clear), and it is used to describe the transparency of physical objects such as liquids or glass surfaces, as well as abstract things like explanations or data that are easy to understand.

In ordinary speech, glashelder conveys a strong degree of clarity, stronger than simply helder. In literary or advertising contexts, more intense synonyms such as kristalhelder or kraakhelder are common. The term can be used literally—for example, glashelder water or glashelder glass—and figuratively, for instance, a glashelder argument or glashelder policy that is straightforward and easy to follow.

The word is common in Dutch and does not function as a proper noun. It often appears in compound phrases without hyphens, adapting to the gender and number of the noun it modifies, as in glashelder water or glashelder glas.

See also: kristalhelder, kraakhelder, helderheid, transparantie.