(ש"ע) יציבות; נאמנות

n. steadiness, perseverance; faithfulness, loyalty

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Noun
1. the quality of being free from change or variation
(synonym) stability
(antonym) inconstancy, changefulness
(hypernym) changelessness, unchangeability, unchangeableness, unchangingness
(hyponym) metastability
(attribute) constant
2. the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
(hypernym) perception
(hyponym) brightness constancy
3. faithfulness in personal attachment (especially sexual fidelity)
(hypernym) fidelity, faithfulness

n. konstantnost; neměnnost; věrnost

(n.)
The state or quality of being constant or steadfast; freedom from change; stability; fixedness; immutability; as, the constancy of God in his nature and attributes.
  

(n.)
Fixedness or firmness of mind; persevering resolution; especially, firmness of mind under sufferings, steadiness in attachments, or perseverance in enterprise; stability; fidelity.