rigor
B2CEFR level
30/100Rarity: fairly common
TechnicalRegister
Strict thoroughness and precision applied to the methods and evidence underlying an analysis.
Investors praised the rigor of the due-diligence process even though it delayed the deal by weeks.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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