The most common and most likely answer to this crossword clue is the 9 letter word ERGONOMIC
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More clues leading to the result ERGONOMIC
- Nice groom is upset, made to offer efficient service
- It’s designed with you in mind – for this reason, don’t start cryptic
- Good to occupy awfully nice room designed for efficiency
- Well-designed, or coming unstuck after initial experimentation?
- Maximising efficiency of new income for harnessing source of renewable energy
- Fit for purpose, therefore without amplification?
- Therefore no microphone is biotechnological
- Ore coming out is related to efficiency in operation
- Work's environment related therefore income mostly trifling
- Designed for efficiency, so no rodents lack tail
Buddy explains!

The straight part
We know that "made to offer efficient service" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case made to offer efficient service = ergonomic.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ERGONOMIC mean?
ERGONOMIC adjective- Of or relating to the science of ergonomics.
- Designed for comfort or to minimize fatigue.