American Heritage Dictionary
(5)
Century Dictionary
(4)
GNU Webster's 1913
(3)
WordNet
(3)
Elsewhere on the web
The source of their discontent is the Unified State Exam, or yediny gosudarstvenny ekzamen— Schools Matter
Unfortunately, in other parts of the nation's capital - the Senate chamber - the winter of our discontent was all too alive and well.— BlueOregon
Adding to the discontent was the drastically reduced length of the course - only one-third the length of last year's circuit - due to construction on the ski hill.— VeloNews | The Journal of Competitive Cycling
This tide of discontent is Chinese history repeating itself - the end of each dynasty was marked by a crescendo of violence.— open Democracy News Analysis - Comments
It arises from the distress and destitution which will fall at times upon a great manufacturing population, and from the wild and extravagant opinions which are naturally generated in an advanced and speculative state of society This discontent has been aggravated and fermented by the language of every party in the state.— The Letters of Queen Victoria, Volume 1 (of 3), 1837-1843) A Selection from Her Majesty's Correspondence Between the Years 1837 and 1861

Century Dictionary (3)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a week.