Promenljivim

Promenljivim is the instrumental singular form of the adjective promenljiv, used in Croatian, Bosnian, and Serbian. The word means variable, changeable, or fluctuating, describing things that are not constant. It derives from the verb promeniti (“to change”) and the suffix -ljiv, which forms adjectives signifying a characteristic.

Grammatical use: Promenljivim appears in the instrumental case. It is used to modify masculine nouns in that case and can also agree with other gender and number forms in corresponding contexts. Common phrases include Promenljivim tempom, meaning “at a variable pace,” or Promenljivom situacijom, meaning “in a changing situation.”

Etymology: from promeniti “to change” plus the attributive suffix -ljiv.

See also: promenljivost, promena. In general, promenljiv is the base form of the adjective, with a range of inflected forms used to match different nouns and grammatical cases.