The most common and most likely answer to this crossword clue is the 7 letter word ROBOTIC
I've seen this crossword clue in Financial Times
R
O
B
O
T
I
C
More clues leading to the result ROBOTIC
- Writer penning books supporting revolutionary men, mechanical
- Old boy in tight trio constant, like mechanical man?
- After plunder the listener’s showing no emotion?
- Heartless to steal books; sick to destroy covers
- Mechanical orbit circling round and around
- Descriptive of K-9‘s pinch of the ear
- Old boy, in tight trio, cold like mechanical man
- Unemotional City bore endlessly reflected about nothing
- Automatic rifle – 19 edges away
- Alumnus tucked in to Indian bread on top of chicken jerky
Buddy explains!

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 ROBOTIC mean?
ROBOTIC adjective- Of, relating to, or resembling a robot; mechanical, lacking emotion or personality, etc.