slack Antonyms

puristic tighten tight tensioned tension tense tenacious taut swamped torqued tuff virgate vigilant vaulting unswayable unlimber unflexible ultraist tumultuous struggle striving rigorist rigid rheumatic restrictive renitent remunerated rapid raging rigorous riotous stringent strict stressful stiff spangled snug sequestrate sedulous washboard wedged wiggler semirigid rodlike rock steady rockbound rip-roaring rainproof ohmic overactive