hard labor (?.)

• arduousness
• backbreaking work
• burdensomeness
• confinement
• dismemberment
• effortfulness
• estrapade
• galleys
• hard job
• hard work
• impalement
• imprisonment
• incarceration
• jailing
• keelhauling
• laboriousness
• martyrdom
• onerousness
• oppressiveness
• penal servitude
• picketing
• railriding
• rock pile
• strappado
• strenuousness
• tar-and-feathering
• the gantlet
• toilsomeness
• torment
• torture
• troublesomeness
• uphill work
• warm work