words of one syllable

idiomatic plural plural-only

(idiomatic, usually preceded by in) Simple, clear, straightforward language; blunt language.

Japanese Meaning

単純で明快な言葉遣い / 率直で飾り気のない表現 / 簡潔で直接的な言葉

When writing for a broad audience, try to use words of one syllable to keep your meaning clear.

幅広い読者向けに文章を書くときは、意味を明確に保つために平易な言葉を使うようにしてください。

Sense（1）

(idiomatic, usually preceded by in) Simple, clear, straightforward language; blunt language.