sitcom UK /ˈsɪtˌkɒm/US /ˈsɪtˌkɑm/ noun2 •Syllabic abbreviation of situation comedy. •Acronym of single income, two children, oppressive/outrageous mortgage."There are MINKs (multiple income, no kids) and what may be the acronym of the '90s, SITCOMs (single income, two children, outrageous mortgage)." — 1993 formssitcoms