1) Absolutely untainted 2) Least affected 3) Least alloyed 4) Least contaminated 5) Least diluted 6) Least lecherous 7) Least polluted 8) Least spoiled 9) Least tainted 10) Like 24k gold 11) Most absolute 12) Most chaste 13) Most faultless 14) Most innocent 15) Most like the driven snow 16) Most theoretical 1) Clearest