Definition of "Firm" :
noun: the members of a business organization that owns or operates one or more establishments
verb: make taut or tauter
verb: become taut or tauter
"Your muscles will firm when you exercise regularly."
adjective: strong and sure
"A firm grasp."
adjective: unwavering in devotion to friend or vow or cause
"A firm ally."
adjective: securely fixed in place
"The post was still firm after being hit by the car."
adjective: not soft or yielding to pressure
"A firm mattress."
adjective: possessing the tone and resiliency of healthy tissue
"Firm muscles."
adjective: marked by firm determination or resolution; not shakable
"Firm convictions."
adjective: securely established
"Holds a firm position as the country's leading poet."
adjective: not subject to revision or change
"A firm contract."
adjective: not liable to fluctuate or especially to fall
"Stocks are still firm."
adjective: (of especially a person's physical features) not shaking or trembling
"His voice was firm and confident."
adverb: with resolute determination
"We firmly believed it."