Akademik

sureness
noun
1. freedom from doubt; belief in yourself and your abilities
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his assurance in his superiority did not make him popular

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after that failure he lost his confidence

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she spoke with authority

Syn: ↑assurance, ↑self-assurance, ↑confidence, ↑self-confidence, ↑authority
Derivationally related forms: ↑sure, ↑self-confident (for: ↑self-confidence), ↑confident (for: ↑confidence)
Hypernyms: ↑certainty
Attrubites: ↑certain, ↑sure, ↑uncertain, ↑unsure, ↑incertain
2. the quality of being steady and unfailing
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sureness of hand

Derivationally related forms: ↑sure
Hypernyms: ↑steadiness, ↑firmness

Useful english dictionary. 2012.