• WordNet 3.6
    • adv filthily in a filthy unclean manner "a dirtily dressed camel driver"
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Webster's Revised Unabridged Dictionary
    • adv Filthily In a filthy manner; foully.
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Century Dictionary and Cyclopedia
    • filthily In a filthy manner; foully; offensively.
    • ***


In literature:

While this was going on, Mr. Pickwick had been eyeing the room, which was filthily dirty, and smelt intolerably close.
"The Pickwick Papers" by Charles Dickens
What a fool a man must be to behave so filthily!
"Nana, The Miller's Daughter, Captain Burle, Death of Olivier Becaille" by Emile Zola
The walls were filthily dirty, as everywhere else.
"The Secret Adversary" by Agatha Christie
And there's nothing else in country life so filthily mean as an evicted trespasser.
"Further Adventures of Lad" by Albert Payson Terhune
They were black with sunburn, and filthily dirty.
"At Suvla Bay" by John Hargrave
When we act gluttonously, when we act lewdly, when we act rashly, filthily, inconsiderately, to what have we declined?
"A Selection from the Discourses of Epictetus With the Encheiridion" by Epictetus
At the end of one long and filthily dirty street she paused and looked about her.
"A Bid for Fortune" by Guy Boothby
The window was half overgrown with ivy, and he could see that it was filthily dirty.
"The Crooked House" by Brandon Fleming
Walker ate greedily, noisily, filthily, and Mackintosh watched him with satisfaction.
"The Trembling of a Leaf" by William Somerset Maugham
They were Snakes and they were many, filthily disguised as Cretans.
"The Big Time" by Fritz Reuter Leiber