Skip to content
Word ChallengeWord Challenge

Centrex

7 lettersnounrare

Updated June 2026

Definition

A type of telephone exchange that provides private branch exchange services to businesses through the public telephone network.

The company installed a centrex system to handle the volume of internal and external calls efficiently.

Related Words

Synonyms

telephone exchangepbx

Word Game Tips

🟩

Wordle

Contains the high-value letter X at the end, so confirming E and X in the word narrows the search quickly

🔤

Scrabble

The X scores 8 points, making CENTREX excellent for landing on premium squares

Words Related to Centrex

Words one letter different

Change a single letter of “centrex” to make these 7-letter words — useful for Wordle and crossword clues.

Words you can make from Centrex

Shorter words formed from the letters in “centrex”.

Explore Similar Words

Try These Tools

Dictionary References

Look up centrex in an authoritative dictionary for full definitions, pronunciation, and etymology.

Word Challenge

Ready to test your word skills?

Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!

Download Free