American Heritage Dictionary
(2)
Century Dictionary
(3)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
When we consider that he was even then courting Angelina, his hardihood is a little surprising After observing that he had carefully read their letters, and made an abstract on half a sheet of paper of the "positions and conclusions found therein," he continues This abstract I have been steadily looking at with great marvelling 1st.— The Grimké Sisters Sarah and Angelina Grimké: the First American Women Advocates of Abolition and Woman's Rights
I believe that there is any amount of raw material in the genus Anemone--hardihood, good form and habit, and coloring alike delicate and brilliant; and what we now want is that amateurs should grow them with the attention and care that have been lavished upon roses and lilies and daffodils.— Scientific American Supplement, No. 458, October 11, 1884
For this most offensive doctrine he was howled at by the strictly pious, while he earned still deeper opprobrium by daring to advocate religious toleration: In face of the endless horrors inflicted by the Spanish Inquisition upon his native land, he had the hardihood--although a determined Protestant himself--to claim for Roman Catholics the right to exercise their religion in the free States on equal terms with those of the reformed faith.— History of the United Netherlands from the Death of William the Silent to the Twelve Year's Truce — Complete (1584-86)
There is a decidedly heroic element in his courage, hardihood, and enthusiasm, softened to the modern observer's comprehension by the humorous contrast between his achievements and his estimate of them.— The Complete Project Gutenberg Writings of Charles Dudley Warner

Century Dictionary (1)
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 once a month.