COLD

(colloquial) absolutely; completely. —Academy Level 0 Glossary Approved 3-12-90

(colloquial) absolutely; completely. (informal) with complete competence; thoroughly.lacking in passion, enthusiasm, etc.with complete competence; thoroughly.with complete competence, thoroughness or certainty; absolutely. (colloquial) absolutely; completely. But the very skilled auditor and the very well reputed auditor and the auditor who gets terrific results will be the auditor who has this one down cold. - The Itsa Line (20 Aug. 63)

an extreme stillness. (SH Spec 56, 6109C20)