a cramped room, etc. does not have enough space for the people in it 狭窄的；狭小的 working in cramped conditions 在拥挤的环境里工作 He lived for six months in a cold, cramped attic room. 他在阴冷狭小的阁楼里住了六个月。
(of people 人 not having room to move freely 拥挤的；缺少自由活动空间的 (of somebody’s writing 字迹 with small letters close together and therefore difficult to read 密小难认的；密密麻麻的