very thin especially from disease or hunger or cold
Emaciated bony hands. A nightmare population of gaunt men and skeletal boys. Eyes were haggard and cavernous. Small pinched faces. Kept life in his wasted frame only by grim concentration.
source: WordNet 3.0
not having enough money to pay for necessities
source: WordNet 3.0
as if squeezed uncomfortably tight
Her pinched toes in her pointed shoes were killing her.