From , mid-17th century.

• (RP) IPA: /ˈləʊnsəm/
• (America) IPA: /ˈloʊnsəm/

lonesome

1. Unhappy due to being alone; lonely.
   • 1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC ↗:

     'Where'er the sun shakes out his spears, and the lonesome waters mirror up the moon, where'er storms roll [...] there shall thy power pass and thy dominion find a home.'

• French: solitaire
• German: einsam
• Italian: solitario
• Portuguese: solitário
• Russian: одино́кий
• Spanish: solitario

lonesome (plural lonesomes)

1. (informal) Oneself alone.

   I sat and watched the cars pass all by my lonesome.