Auxin
5 lettersnounUpdated June 2026
Definition
A plant hormone that promotes cell elongation and growth.
“Auxin causes shoots to bend toward light sources.”
Pronunciation
Syllables
aux·in
Word Game Tips
Wordle
"Auxin" uses 5 different letters, which makes it efficient for eliminating options. Its 3 vowels help pin down vowel positions early. Watch the less-common letter X.
Scrabble
"Auxin" is worth 12 points before board bonuses. It carries the high-value tile X — land it on a premium square for a big swing.
Words Related to Auxin
Words one letter different
Change a single letter of “auxin” to make these 5-letter words — useful for Wordle and crossword clues.
Explore Similar Words
Try These Tools
Dictionary References
Look up auxin in an authoritative dictionary for full definitions, pronunciation, and etymology.
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!