Kasulik

Kasulik is an Estonian adjective meaning useful, beneficial, or advantageous. It is used to describe things, information, actions, or strategies that help achieve a goal or provide value. The related noun is kasulikkus, meaning usefulness or utility; the comparative form is kasulikum, and the superlative is kõige kasulikum. Common collocations include kasulik teave (useful information), kasulik nõuanne (useful advice), and kasulik tööriist (useful tool). In everyday language, speakers describe products, instructions, or methods as kasulik when they are easy to use, reliable, or time-saving.

Examples: See raamat on väga kasulik. Need näpunäited on kasulikud. See tööriist on kasulik ning säästab aega. In formal writing, kasulik can describe policies or decisions that have practical benefits: "otsus on kasulik ettevõtte jaoks" (the decision is beneficial for the company). The word is native to Estonian and widely used across registers, from media and education to technology and science.

Notes: Kasulik forms a regular decline: kasulikum (comparative), kõige kasulikum (superlative). It should not be confused with other terms in different languages that might resemble it.