What does "explainer" mean?

Agent noun of explain; one who explains.

What is a synonym for "explainer"?

Common synonyms include: commentator, critic, cryptologist, demonstrator, editor, explanator.

Explainer

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Agent noun of explain; one who explains. agent, form-of
"To be a skilled explainer, one has also to take account of the explainees, and their social and cultural backgrounds, motivations, linguistic ability, and previous knowledge – and plan accordingly before embarking upon the explanation."
2
A guide that explains a topic.
"Confused by the Olympics? Here's a video explainer."

Synonyms

All synonyms

commentator critic cryptologist demonstrator editor explanator

Example

More examples

"To be a skilled explainer, one has also to take account of the explainees, and their social and cultural backgrounds, motivations, linguistic ability, and previous knowledge – and plan accordingly before embarking upon the explanation."

Etymology

From explain + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.