"fear of lonepness" 或 "lonepness phobia" 是指害怕孤独的心理状态。这种心理状态可能源于个人经历，如童年时期的孤独或缺乏社交关系，或者是由于某种心理障碍，如抑郁症或焦虑症。
英文例句:
"She has a fear of lonepness and always surrounds herself with friends."
"His lonepness phobia caused him to constantly seek companionship."
中文翻译:
"她害怕孤独，总是身边有很多朋友。"
"他害怕孤独导致他不断寻求陪伴。"