empirical
B2CEFR level
40/100Rarity: uncommon
TechnicalRegister
General adjective
Based on observation or experiment rather than theory.
The claim lacked any empirical support.
Medicine adjective
Guided by clinical experience and likely pathogens rather than by a confirmed diagnosis.
Empirical antibiotics are started before culture results return, then narrowed once the organism is identified.
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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