Loading word page…
Updated June 2026
Working in a well-organised and competent way, achieving maximum productivity with minimum wasted effort or expense. It emphasises optimal performance.
“The new production process is more efficient and reduces costs significantly.”
Nine letters with repeated 'f' and 'i' - watch for double letters
Worth 17 points; double 'f' provides good scoring opportunities
Look up efficient in an authoritative dictionary for full definitions, pronunciation, and etymology.

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!