Many words have similar meaning, yet of subtle shades of meaning, or nuances that are lost when “dumbed down” So you’re literally communicating less effectivel

Many words have similar meaning, yet of subtle shades of meaning, or nuances that are lost when “dumbed down” So you’re literally communicating less effectively when using a smaller vocabulary. The best answer is to have the reader learn the difficult word, but that isn’t always possible. A difficult needle to thread for sure.