Longest
7 lettersadjectivecommonUpdated June 2026
Definition
The superlative form of 'long', meaning of the greatest length, duration, or extent among a group. It indicates the maximum in measurement or time.
“The Nile is often considered the longest river in the world, though this is sometimes debated.”
Related Words
Synonyms
most extendedmost protractedgreatest in length
Word Game Tips
🟩
Wordle
Contains L-O-N-G-E-S-T with the -EST superlative ending; LONG root is straightforward
🔤
Scrabble
Worth 8 points; common letters make this useful for comparative descriptions
Words Related to Longest
Explore Similar Words
Try These Tools
Dictionary References
Look up longest 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!