The new neighbors behave quite unsociably.    From Wordnet, Princeton University. 

Adjective : an unsociable boardinghouse.    From Dictionary.com. 

She never intruded on Patricia's privacy, nor withdrew unsociably when Patricia felt inclined for chat.    From Wordnik.com.  [Miss Pat at Artemis Lodge] Reference

Then, feeling it was quite beyond her power to sit so unsociably so close to anyone in the same room, when it was so glorious.    From Wordnik.com.  [The Heart of Arethusa] Reference

Moreover, he was always wrapped unsociably in a brown cloak, of which he kept a fold over his lower face, and in which he snored in his corner even when all the others jumped up to escape an upset.    From Wordnik.com.  [The False Chevalier or, The Lifeguard of Marie Antoinette] Reference

He had a bottle and a glass before him, and was unsociably drinking alone.    From Wordnik.com.  [The Colonel's Dream] Reference

The home-coming was a dreary one, the house darkened and unsociably redd up, and I sat alone to a dinner, served me by Huey, in.    From Wordnik.com.  [Nancy Stair A Novel] Reference

Once I dropped in on him but found him unsociably surrounded by microscopes and a very sensitive arrangement for taking microphotographs.    From Wordnik.com.  [The Dream Doctor] Reference

Children behaving unsociably towards bus drivers and their fellow passengers is a growing problem in the area, according to Denbighshire CC.    From Wordnik.com.  [The Register] Reference

The processes of his mind were unsociably private, and she could have fancied for a moment that he was linked with their difficult friend in some monstrous conspiracy of asceticism.    From Wordnik.com.  [Madame De Mauves] Reference

More than all this, Red Creek gave the impression, not in the least incorrect, of falling apart into two watchful sections which eyed each other suspiciously, being cynically and unsociably inclined.    From Wordnik.com.  [Man to Man] Reference

Suppose Sir Joshua should take a jaunt into Scotland; he does me the honour to pay me a visit at my house in the country; I am overjoyed at seeing him; we are quite by ourselves, shall I unsociably and churlishly let him sit drinking by himself?.    From Wordnik.com.  [Life of Johnson, Volume 3 1776-1780] Reference

Often a grassy plain in California, is what it should be, but often, too, it is best contemplated at a distance, because although its grass blades are tall, they stand up vindictively straight and self-sufficient, and are unsociably wide apart, with uncomely spots of barren sand between.    From Wordnik.com.  [Roughing It] Reference

“met,” and had even independently, unsociably, alone, without encounter or relapse and by mere quiet evasion, given his afternoon and evening to the immediate and the sensible.    From Wordnik.com.  [The Ambassadors] Reference

It is true that he put his arm round my waist, slapped me on the shoulder in a friendly way, approved my manner of life, but I felt that, as before, he despised my insignificance, and only put up with me to please his daughter, and I couldn't now laugh and talk as I liked, and I behaved unsociably and kept expecting that in another minute he would address me as Panteley as he did his footman Pavel.    From Wordnik.com.  [The Chorus Girl and Other Stories] Reference

Aunt Plenty, while "turning the subject over in her mind," also seemed intent on upsetting everything she touched and made sad havoc in her tea tray; Dr. Alec unsociably read his paper; Rose, having salted instead of sugared her oatmeal, absently ate it, feeling that the sweetness had gone out of everything; and Phebe, after choking down a cup of tea and crumbling a roll, excused herself and went away, sternly resolving not to be a bone of contention to this beloved family.    From Wordnik.com.  [Rose In Bloom]

There were people on the ship with whom he had easily consorted -- so far as ease could up to now be imputed to him -- and who for the most part plunged straight into the current that set from the landing-stage to London; there were others who had invited him to a tryst at the inn and had even invoked his aid for a "look round" at the beauties of Liverpool; but he had stolen away from every one alike, had kept no appointment and renewed no acquaintance, had been indifferently aware of the number of persons who esteemed themselves fortunate in being, unlike himself, "met," and had even independently, unsociably, alone, without encounter or relapse and by mere quiet evasion, given his afternoon and evening to the immediate and the sensible.    From Wordnik.com.  [The Ambassadors] Reference

"turning the subject over in her mind," also seemed intent on upsetting everything she touched and made sad havoc in her tea tray; Dr. Alec unsociably read his paper; Rose, having salted instead of sugared her oatmeal, absently ate it, feeling that the sweetness had gone out of everything; and Phebe, after choking down a cup of tea and crumbling a roll, excused herself and went away, sternly resolving not to be a bone of contention to this beloved family.    From Wordnik.com.  [Rose in Bloom] Reference

Let ‘s be unsociably sociable.    From Wordnik.com.  [The White Devil] Reference