lose strength

blunt damage debilitate decrease destroy diminish hurt lessen mar prejudice reduce spoil tarnish undermine weaken worsen

blemish cheapen debase deteriorate devaluate devalue ding disqualify enervate enfeeble injure invalidate total tweak unfit vitiate

make useless rough up

aid assist cure develop enlarge expand extend fix grow heal help improve increase invigorate mend raise repair strengthen

enhance permit upgrade

decrease diminish fail fall off falter slacken slow trail wane

dally dawdle dillydally drag ebb flag hobble idle inch jelly limp linger loiter lounge plod poke procrastinate retard saunter shuffle slouch stagger stay straggle tail tarry tool trudge

be behind drag one's feet get no place fast hang back inch along put off slow up

advance complete do finish go hasten hurry rise run rush