The most common and most likely answer to this crossword clue is the 7 letter word SHACKLE
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More clues leading to the result SHACKLE
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The straight part
We know that "Restrain" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case restrain = shackle.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 SHACKLE mean?
SHACKLE noun- (usually in the plural) A restraint fit over a human or animal appendage, such as a wrist, ankle or finger; normally used in pairs joined by a chain.
- A U-shaped piece of metal secured with a pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism.
- (usually in the plural) A restraint on one's action, activity, or progress.
- A fetter-like band worn as an ornament.
- A link for connecting railroad cars; a drawlink or draglink.
- A length of cable or chain equal to 12 1/2 fathoms or 75 feet, or later to 15 fathoms.
- Stubble.
- To restrain using shackles; to place in shackles.
- (by extension) To render immobile or incapable; to inhibit the progress or abilities of.
- To shake, rattle.