1An individual word or term — a basic unit of vocabulary.
その語の正確な意味を辞書で調べた。
I looked up the exact meaning of that word in the dictionary.
IT業界には独自の語が数多くある。
The IT industry has a great many terms of its own.
この文章には難しい語が多くて読みにくい。
This passage has many difficult words, making it hard to read.
彼は毎日新しい語を五つ覚えると決めている。
He's decided to learn five new words every day.
2A suffix forming the names of languages (e.g., 日本語 Japanese, 英語 English); on its own it can also mean language.
彼女は語学が得意で、五つの語を話せる。
She's good with languages and can speak five of them.
スペイン語とポルトガル語はよく似た語だ。
Spanish and Portuguese are quite similar languages.
会議は英語を共通の語として進められた。
The meeting was conducted using English as the common language.
アイヌ語は日本国内で話されてきた語の一つだ。
Ainu is one of the languages that has been spoken within Japan.
3Spoken words or an utterance; also individual words or phrases in speech.
彼の語には重みがあり、皆が真剣に聞き入った。
His words carried weight, and everyone listened intently.
講演の一語一語を聞き逃すまいと集中した。
I focused intently, determined not to miss a single word of the lecture.