adjective see: strange Date: 1638 existing on or coming from the outside , 2. not forming an essential or vital part , having no relevance , being a number obtained in solving an equation that is not a solution of the equation , see: extrinsic ~ly adverb ~ness noun
EXTRANEOUS
Meaning of EXTRANEOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012