róandi

Ráðandi is an Icelandic adjective meaning dominant, prevailing, or in control. It is used to describe something or someone that exerts principal influence or power, such as a ruling party (ráðandi flokkur) or a dominant influence (ráðandi áhrif). The word denotes central or controlling importance within a given context.

Etymology and usage notes: ráðandi is formed from the verb ráða, meaning to rule, govern, or decide, with the present participle suffix -andi. It functions both attributively, before a noun (for example, ráðandi flokkur, ráðandi áhrif), and predicatively (for example, Flokkurinn er ráðandi).

Fields of use: In everyday language, ráðandi describes situations where one factor stands out as the most influential. In politics, it is commonly used to refer to the party or group currently in power. In social or economic discussions, it can refer to the prevailing trend or dominant factor shaping outcomes.

Genetics usage: In biology, especially genetics, ráðandi is used to translate the concept of dominant as in a dominant gene or allele. A ráðandi trait is one that is expressed in the phenotype even if only one copy is present, in contrast to recessive traits.

Related terms and contrasts: The opposite of ráðandi is recessive or subordinate, and speakers may contrast it with words like megin- or víkjandi when describing lesser influences. While closely related to concepts of power and control, ráðandi is usually contextual and dependent on what is considered dominant in a given scenario.