audio-frequency (noun) audio frequency: audible acoustic wave
Sinonime: bent, bent on, buckled down,
constant,
decided,
decisive, dogged,
earnest,
firm, fixed, hard-as-nails, hardboiled, intent, mean business,
obstinate, on ice, pat,
persevering,
purposeful,
resolute, resolved,
serious,
set, set on,
settled, single-minded,
solid,
steadfast, strong-minded, strong-willed,
stubborn,
tenacious, unfaltering, unflinching, unhesitating,
unwaveringAntonime: flexible, hesitating,
irresolute,
vacillating,
wavering,
weak