lowest
adj.adj. the smallest in amount, level, or value compared to everything else. You use this to describe the bottom point of a scale.
adj. the superlative form of low, indicating the minimum point on a scale of height, value, or intensity. Functions as a non-gradable superlative.
The shop offers the lowest prices in town.
Temperatures reached their lowest point of the year during the heavy snowstorm last night.
Economists noted that while unemployment had reached its lowest level in a decade, the quality of new jobs remained a significant concern for policy makers.
Typically used with the definite article 'the' before a noun.
the most lowest pricethe lowest priceLowest is already a superlative; adding 'most' is a double superlative error.