Improving Search with Synonyms

Improving Search with Synonyms

Upcoming Classes

No classes have been scheduled, but you can always Request a Quote.


The best search solutions know that there’s more than one way to ask a question. This instructor-led course provides a solid understanding of how synonyms can improve your user search experience.
Note: This course is a module of the Elasticsearch Advanced Search specialization.


You will learn to implement single- and multi-word synonyms and how they affect score. It also covers the differences between applying synonyms at index time, query time, or both. After completing this module, you will be well prepared to implement synonyms in a systematic and sustainable way.

Topics Covered

  • Use Case for Synonyms
  • Applying Synonyms
  • Synonyms at Query Time and Index Time
  • Multiword Synonyms
Download Course Outline


2-3 hours


3 hours


Software Developers and Engineers, Data Architects, DevOps


We recommend you have taken Elasticsearch Engineer I and Elasticsearch Engineer II or possess equivalent knowledge. Engineer I and Engineer II teach the concepts that are the foundation upon which all specializations are built.

Setup Requirements

  • Stable internet connection
  • Mac, Linux, or Windows
  • Latest version of Chrome or Firefox (Safari is not 100% supported)
  • Due to virtual classroom JavaScript requirements, we recommend that you disable any ad-blockers and restart your browser before class.

Additional Notes

Virtual Classroom Information
This instructor-led course is only taught in a virtual classroom environment. We encourage participants to set up their systems prior to logging into the training environment the first day of the class. We also encourage being logged into the virtual classroom 15 minutes prior to the start of class each day.

Training Specializations

This course is a module of the Elasticsearch Advanced Search specialization. Find out how our focused Training Specializations can help you with your use case.

General Training Information
Have training questions? Review our FAQ or email us.