American Heritage Dictionary
(2)
Century Dictionary
(1)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
There are several fits sold by Carhartt Clothing, including relaxed, loose, and dungaree.— Find Free Articles - ArticlesBase
If you want something a little less form-fitting, choose a loose fit or a dungaree fit.— Find Free Articles - ArticlesBase
Similarly, Wayne Rooney's wife Coleen has been spotted in a pair of dungaree jeans so voluminous she looked as if she might take off.— Home | Mail Online
Nono's closet and grabbed her Curious Nono jean short dungaree combo outfit.— Hello!Blog
And brewers are not all dungaree-wearing bohemians.— Philly.com - Latest Videos

American Heritage Dictionary (1)
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 year.