noun
1. the quality of being subject to variation (Freq. 2)
• Syn: ↑variableness, ↑variance
• Ant: ↑invariableness (for: ↑variableness), ↑invariability
• Derivationally related forms: ↑variable (for: ↑variance), ↑variable (for: ↑variableness), ↑variable
• Hypernyms: ↑changeableness, ↑changeability
• Hyponyms: ↑variedness, ↑variegation, ↑personal equation
2. the quality of being uneven and lacking uniformity
• Syn: ↑unevenness
• Ant: ↑invariability, ↑evenness (for: ↑unevenness)
• Derivationally related forms: ↑variable, ↑uneven (for: ↑unevenness)
• Hypernyms: ↑irregularity, ↑unregularity
• Hyponyms: ↑rockiness, ↑ruggedness, ↑jaggedness, ↑patchiness, ↑waviness
Useful english dictionary. 2012.