04 · Search, SEO & Generative Optimization

Semantic Search

Search that interprets meaning rather than matching keywords.

Technical Term

Full explanation

Semantic search is a search approach that interprets the meaning and intent behind a query, rather than matching keywords alone.

Why this matters

It is why keyword density stopped working. Systems now match on meaning, which rewards clear, well-defined language over repetition.

Where this sits

Semantic Search belongs to Search, SEO & Generative Optimization, one of the seven layers of the Aingworth Glossary. The established disciplines brands use to improve discoverability. Useful, and often necessary, but tactics that sit on top of a brand's underlying authority infrastructure rather than replace it.

Related terms

Embeddings Numerical representations that place similar meanings close together. Semantic Optimization Structuring content so its meaning, not just its keywords, is clear. Vector Search Finding results by similarity in meaning rather than exact words.
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