adverb

ergo

EH-goh

adverb

Therefore; as a result — used to introduce a logical conclusion.

"I think, ergo I am."

"He never studies; ergo, he keeps failing his exams."

How to Use Ergo

Learner’s notes

In plain EnglishA formal, slightly old-fashioned way to say "therefore" or "so," often used to sound logical or philosophical.

When to use it

Formal/literary — mostly seen in philosophy, logic, or for deliberately dramatic effect.

Common pairings

ergo, therefore ergo sum

ergos plural

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I think, _____ I am.

Borrowed directly from Latin ergō, meaning "therefore."

undergo