from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Dejected because of a lack of companionship. See Synonyms at alone.
- adj. Producing such dejection: a lonesome hour at the bar.
- adj. Deserted; unfrequented: a lonesome valley.
- adj. Solitary; lone: a lonesome pine.
- n. Informal Self: He ate the meal all by his lonesome.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. unhappy due to being alone; lonely
- n. oneself alone
from the GNU version of the Collaborative International Dictionary of English
- adj. Secluded from society; not frequented by human beings; solitary.
- adj. Conscious of, and somewhat depressed by, solitude.
from The Century Dictionary and Cyclopedia
- Drearily solitary; secluded from society; dejected from want of company.
- Expressing loneliness or dejection.
- Secluded; unfrequented; lonely.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. marked by dejection from being alone
- adj. being the only one; single and isolated from others
From lone + -some, mid-17th century. (Wiktionary)