This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Third-person singular simple present indicative form of unshackle.

"As President Obama unshackles theleg irons of the Bush administration's failed MiddleEast policy with his moving speech to the Muslim world ~ Dick 'the natural state of man is war' Cheney squirms nervously in his seat increasingly aware that his politics of fear is becoming irrelevant in a world that seeks to cooperate and unite: Allen L Roland"

unshackled    unshackles    unshackling   

unfetter    Loos   

Spackle    cackle    crackle    grackle    hackle