---
title: "POST /Dictionary/Lookup"
method: POST
path: "/Dictionary/Lookup"
tags: ["Dictionary/Lookup"]
---

# POST /Dictionary/Lookup

`POST /Dictionary/Lookup`

Provides alternative translations for a word and a small number of idiomatic phrases. Each translation has a `part-of-speech` and a list of `back-translations`. The back-translations enable a user to understand the translation in context. The Dictionary Example operation allows further drill down to see example uses of each translation pair.

## Query parameters

- `api-version` string, required
- `from` string, required
- `to` string, required

## Headers

- `X-ClientTraceId` string

## Request body

- DictionaryLookupTextInput[]
  - `text` string

## Response `200`

Success

- object[] — Example of a successful dictionary lookup request
  - `normalizedSource` string
  - `displaySource` string
  - `translations` object[]
    - `normalizedTarget` string
    - `displayTarget` string
    - `posTag` string
    - `confidence` number
    - `prefixWord` string
    - `backTranslations` object[]
      - `normalizedText` string
      - `displayText` string
      - `numExamples` integer
      - `frequencyCount` integer

## Other responses

- `default` — Error response.

## Changes

- **2026-07-13** `70ce120aedb4` — 1 info
  - endpoint added
- **2021-04-05** `19edd817cb03` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/azure/apis/cognitiveservices-translatortext/changes/Dictionary/Lookup/post.md)

---

[API](https://skmtc.dev/azure/apis/cognitiveservices-translatortext.md) · [All operations](https://skmtc.dev/azure/apis/cognitiveservices-translatortext/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/cognitiveservices-translatortext/revisions/70ce120aedb4/schema)