on double (adverb) on the double: very quickly
Sinonime: immaculate, purified, refined, sanitary, spotless, stainless, sterile, sterilized, unblemished, uncontaminated, uncorrupted, undebased, undefiled, undiluted, unpolluted, unsoiled, unstained, unsullied, untainted, untarnished, untouched, wholesome