intensity; to me
cold/ strained (?); 1) sharp, forceful, intense, vigorous, abrupt, roar, howl, thrall. 2) volatile [personality] 3) temper [of metals) 4) vi. to be fired up, excited, stimulated. 5) fore, front-side, forepart; vigor, hardiness, strength
strength, sharpness, keenness, pungency