---
title: "Find thesaurus entries"
method: GET
path: "/search/thesaurus/{source_lang}"
tags: ["Search"]
---

# Find thesaurus entries

`GET /search/thesaurus/{source_lang}`

Use this to retrieve possible [headword](https://developer.oxforddictionaries.com/documentation/glossary?term=headword) matches for a given string of text. The results are calculated using headword matching, fuzzy matching, and [lemmatization](https://developer.oxforddictionaries.com/documentation/glossary?term=lemma).

  <div id="search"></div>

## Path parameters

- `source_lang` 'en', required

## Query parameters

- `q` string, required
- `prefix` boolean
- `limit` integer
- `offset` integer

## Headers

- `app_id` string, required
- `app_key` string, required

## Response `200`

Successful response. The Search endpoint is able to retrieve a max of 10000 results per query.

- Wordlist — Schema for wordlist endpoint.
  - `metadata` object — Additional Information provided by OUP
    - `total` string — Approximate number of results that match the given query.
  - `results` object[] — A list of found words
    - `id` string, required — The identifier of a word
    - `word` string, required — (DEPRECATED) A given written or spoken realisation of an entry, lowercased.
    - `matchString` string
    - `matchType` string
    - `region` string — Name of region.

## Other responses

- `400` — source_lang and target_lang can not be same; no words matching source_lang and/or translations; offset and limit exceeded 10000 together.
- `403` — Authentication parameters missing.
- `404` — No entry was found matching the selection parameters (In Sandbox Only: first alphabet letter or equivalent has not been used).
- `429` — Usage limit exceeded.
- `500` — Internal error. An error occurred during processing.

---

[API](https://skmtc.net/oxforddictionaries/apis/oxford-dictionaries-api.md) · [All operations](https://skmtc.net/oxforddictionaries/apis/oxford-dictionaries-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/oxforddictionaries/oxford-dictionaries-api/revisions/9e6b71102afe/schema)