Pitiless vs. Persistent

Pitilessadjective

having, or showing, no pity; merciless, ruthless

Pitilessadjective

having no kindly feelings; unkind

Pitilessadjective

Destitute of pity; hard-hearted; merciless; as, a pitilessmaster; pitiless elements.

Pitilessadjective

Exciting no pity; as, a pitiless condition.

Pitilessadjective

without mercy or pity;

Pitilessadjective

deficient in humane and kindly feelings

Persistentadjective

Obstinately refusing to give up or let go.

Persistentadjective

Insistently repetitive.

Persistentadjective

Indefinitely continuous.

Persistentadjective

(botany) Lasting past maturity without falling off.

Persistentadjective

(computing) Of data or a data structure: not transient or temporary, but remaining in existence after the termination of the program that creates it.

Persistentadjective

(mathematics) Describing a fractal process that has a positive Brown function

Persistentadjective

non-transient.

Persistentadjective

Inclined to persist; having staying qualities; tenacious of position or purpose.

Persistentadjective

Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; - opposed to deciduous, and caducous.

Persistentadjective

never-ceasing;

Persistentadjective

continually recurring to the mind;

Persistentadjective

retained; not shed;