ostrý adj
  1. 1. sharp (able to cut easily)
  2. 2. hot (of food and spice)
  3. 3. (mathematics) strict (of an inequality, such that it rules out the possibility of equality)
  4. 4. (geometry) acute (of an angle, having less than 90 degrees)
nom ostrý
gen ostrého
dat ostrému
acc ostrého
loc ostrém
instr ostrým