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extreme

In a sentence
Extrémne počasie poškodilo úrodu.
Extreme weather damaged the crops.
Extrémne teploty zatvorili niektoré školy.
Extreme temperatures closed some schools.
Športovci trénujú v extrémnych podmienkach.
Athletes train in extreme conditions.
Extrémne horúčavy zatvárali školy na juhu.
Extreme heat closed schools in the south.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.