tour de force

noun 0.674

superstrength

noun 0.625

strength

noun 0.605

strongman

noun 0.603

forte

noun 0.588

prowess

noun 0.559

strongpoint

noun 0.550

inner strength

noun 0.546

brawn

noun 0.543

show of force

noun 0.535

strengthener

noun 0.531

flexing

noun 0.526

mightiness

noun 0.524

strengthening

noun 0.515

strong suit

noun 0.514

no mean feat

noun 0.511

powerfulness

noun 0.511

forcefulness

noun 0.508

achievement

noun 0.506

triumph

noun 0.505

feature

noun 0.505

fortitude

noun 0.504

bravura

noun 0.503