temperamental 1. Relating to or caused by temperament: our temperamental difference.2. Excessively sensitive or irritable; moody.3. Likely to perform unpredictably, undependable: a temperamental motor. Found on http://www.wordinfo.info/words/index/info/view_unit/2105/2
adjective relating to or caused by temperament; `temperamental indifference to neatness`; `temperamental peculiarities` Found on https://www.encyclo.co.uk/local/20974