American Heritage Dictionary
(3)
Century Dictionary
(6)
GNU Webster's 1913
(2)
WordNet
(2)
Elsewhere on the web
Another impediment is the claims by Armenia and the Armenian Diaspora that in the closing years of World War I and immediately afterwards an Armenian genocide was lived in this country.— Turkishdailynews Headlines
Little things like our Constitution should be no impediment, as far as Egnor is concerned.— Thoughts in a Haystack
The ether was a useful concept for a while; then it became clear that it was an impediment, and finally actual, closely monitored experiments suggested its non-existence, a conclusion that was confirmed when new theory arrived to account for those observations and much else besides.— The Inverse Square Blog
Obviously, a huge impediment is the large number of Israeli settlers still in the West Bank, so there will have to be land swaps compensating Palestinians for lands lost to the settlers.— Toronto Sun

American Heritage Dictionary (1)
Century Dictionary (2)
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