Similar words: robust, robustly, earnestness, do business, hotness, fitness, witness, softness. Meaning: [rə'bʌstnɪs] 
n. 1. the property of being strong and healthy in constitution 2. the characteristic of being strong enough to withstand intellectual challenge.
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More similar words: robust, robustly, earnestness, do business, hotness, fitness, witness, softness, smartness, sweetness, alertness, greatness, brightness, business, pleasantness, on business, big business, businessman, agribusiness, small business, business cycle, family business, political correctness, just now, small business administration, busted, bustle, bustling, combustion, carelessness.