conditio sine qua non Indispensable condition. When an agreement stands or falls on the inclusion of a particular condition, that condition may be called a conditio sine qua non, literally 'a condition without which not'. Found on http://www.wordinfo.info/words/index/info/view_unit/3465/4
conditio sine qua non Indispensable condition. When an agreement stands or falls on the inclusion of a particular condition, that condition may be called a conditio sine qua non, literally 'a condition without which not'.