# Query Time Dynamic synonym

**URL:** <https://discuss.elastic.co/t/query-time-dynamic-synonym/309898>\
**Category:** Elasticsearch\
**Created:** [July 18, 2022, 12:38pm UTC](https://discuss.elastic.co/t/query-time-dynamic-synonym/309898 "2022-07-18T12:38:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pavithra\_arul](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pavithra_arul/32/108458_2.png) [@pavithra\_arul](https://discuss.elastic.co/u/pavithra_arul)\
**Post date:** [July 18, 2022, 12:38pm UTC](https://discuss.elastic.co/t/query-time-dynamic-synonym/309898/1 "2022-07-18T12:38:38Z")

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Hi Team,  
Trying to achieve dynamic synonym expansion at Query time using Rest API call

1. Trying to update the synonym.txt file dynamically using Rest API. (or)
2. updating the synonyms list via Rest call without even creating or updating the synonym.txt file.

Thanks!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 15, 2022, 12:38pm UTC](https://discuss.elastic.co/t/query-time-dynamic-synonym/309898/2 "2022-08-15T12:38:47Z")

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