Building vocabulary as an adult works differently than it did in childhood. While kids often absorb new words naturally through school and everyday exposure, adults need to be more intentional. Research shows that vocabulary growth doesn’t stop with age—but it does require active engagement.

Reading remains the most effective way to learn new words, especially when words appear in meaningful context rather than isolated lists or “word of the day” apps. Any type of reading can help, as long as it exposes you to varied language. Noticing interesting words, writing them down, and encountering them repeatedly makes them more likely to stick.

Social interaction plays a crucial role as well. Talking about words, debating meanings, and using new vocabulary with others strengthens retention. Book clubs, language classes, crosswords, and word games are especially powerful because they turn vocabulary learning into a shared, interactive experience.

Another key strategy is novelty. Adults tend to rely on familiar language, much like wearing the same clothes out of habit. Trying new hobbies, joining unfamiliar communities, or exploring new interests introduces specialized vocabulary and pushes the brain beyond its usual patterns.

The encouraging news is that studies show vocabulary can continue to grow even in later life. With regular reading, social use of language, and a willingness to embrace new experiences, adults can keep expanding their word bank well beyond their school years.