'noncomparable' originates from the Latin-derived prefix 'non-' and the adjective 'comparable', specifically from Latin 'non' (prefix meaning 'not') and Latin 'comparabilis' (from 'comparare'), where 'non' meant 'not' and 'comparare' meant 'to compare' or 'to place together.'

'noncomparable' developed by combining the negative prefix 'non-' with Middle English/Old French-derived 'comparable' (from Latin 'comparabilis'), and eventually became the modern English adjective 'noncomparable'.

Initially, it meant 'not able to be compared' (literal inability to compare); over time it also acquired the evaluative sense 'so superior or so different that comparison is meaningless' (i.e., 'unparalleled').