1 lonelier (comparative)loneliest (superlative) (without company) he was a sad and lonely man era un hombre triste y solitario
lonely young men lonely old women would come together once a week to play bingo
to feel lonely sentirse solo; I was lonely and didn't know what to do me sentía solo y no sabía qué hacer
2 (solitary) [+life, place, period of time] solitario the lonely hours of the night las horas nocturnas de soledad; las solitarias horas de la noche; it's lonely at the top uno se siente muy solo en la cumbre
you might find London a lonely place