स्थिर —

स्थिर  a) stable, firm; immobile; constant; stationary; calm, pacific; inflexible

स्थिरता  f) steadiness (firmeza); stability; quiescence (inactividad); poise (equilibrio, aplomo)

अस्थिर  a) unsteady (inestable, fluctuante); fickle (variable, voluble), wavering (indeciso, vacilante)

अस्थायी/अस्थाई  a) temporary, provisional

अस्थिर करना  v) unsettle (inquietar, perturbar); destabilize

अस्थिरता  f) inconstancy; unstability; unsteadiness; vacillation