fizzed out (verb) misfire: fail
Sinonime: aloof,
crisp,
distant, do or die, dug in,
firm,
formal, hard as nails, hard-line, hold one's ground, hold the fort, hold the line, incompliant, inelastic,
inexorable,
inflexible,
intractable, locked in,
obdurate,
obstinate,
relentless,
reserved,
resolute, set in stone,
severe, single-minded, standing one's ground, standing pat, sticking to one's guns,
stiff,
strict,
stubborn,
uncompromising, unflexible,
unrelenting, unswayable,
unyielding,
uptightAntonime: bending,
flexible,
pliable, pliant,
relaxed,
soft