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.
n. 1. the property of being strong and healthy in constitution 2. the characteristic of being strong enough to withstand intellectual challenge. 121.
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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.