1.Definition: (of especially a person's physical features) not shaking or trembling
"His voice was firm and confident", "A firm step"
2.Definition: marked by firm determination or resolution; not shakable
"Firm convictions", "A firm mouth"
3.Definition: not liable to fluctuate or especially to fall
"Stocks are still firm"
4.Definition: not soft or yielding to pressure
"A firm mattress", "The snow was firm underfoot"
5.Definition: not subject to revision or change
"A firm contract", "A firm offer"
6.Definition: possessing the tone and resiliency of healthy tissue
7.Definition: securely established
"Holds a firm position as the country's leading poet"
8.Definition: securely fixed in place
"The post was still firm after being hit by the car"
9.Definition: strong and sure
"A firm grasp"
10.Definition: unwavering in devotion to friend or vow or cause
"A firm ally"