WordNet sense 1 ((of colors or sounds) intensely vivid or loud):

violent

WordNet sense 2 ((of darkness) very intense):

deep

WordNet sense 3 (not faint or feeble):

strong

WordNet sense 4 (of the greatest intensity; complete):

profound

WordNet sense 5 (characterized by a high degree or intensity; often used as a combining form):

intensive

WordNet sense 6 (marked by extreme intensity of emotions or convictions; inclined to react violently; fervid):

fierce, vehement

WordNet sense 7 (of the greatest possible degree or extent or intensity):

extreme

WordNet sense 8 (intense or sharp):

exquisite, keen

WordNet sense 9 (very intense):

consuming

WordNet sense 10 (intensely focused):

concentrated

WordNet sense 11 (extremely sharp or intense):

acute

WordNet sense 12 (keenly and painfully felt; as if caused by a sharp edge or point):

sharp

WordNet sense 13 ((of color) having the highest saturation):

vivid

WordNet sense 14 ((of color) being chromatically pure; not diluted with white or grey or black):

pure, saturated