unsurpassable

verb (used with object)

1. to go beyond in amount, extent, or degree; be greater than; exceed.
2. to go beyond in excellence or achievement; be superior to; excel: He surpassed his brother in sports.
3. to be beyond the range or capacity of; transcend: misery that surpasses description.

verb (tr)

1. to be greater than in degree, extent, etc
2. to be superior to in achievement or excellence
3. to overstep the limit or range ofthe theory surpasses my comprehension

adj.1610s, from un- (1) “not” + surpassable (see surpass). v.1550s, from Middle French surpasser “go beyond, exceed, excel,” from Old French sur- “beyond” (see sur-) + passer “to go by” (see pass (v.)). Related: Surpassed; surpassing.