Firm | Mean of firm in English Dictionary

/ˈfɚm/

• fairly hard or solid
1. firm flesh
2. firm muscles
3. a firm mattress
4. a firm stomach
5. a firm cheese
• set, placed, or attached in a way that is not easily moved
1. a firm base/foundation
2. He believes that his argument is on firm ground/footing. [=that he has good support, evidence, etc., for his argument]
• not weak or uncertain
1. a firm [=strong] handshake/grip
2. She has a firm grasp of the basic principles.
3. They insist on maintaining firm control over the project.
4. He spoke to her in a soft but firm voice.
5. The time has come for us to take a firm stand.
6. The children need gentle but firm handling.

• not likely to change or be changed
1. We've made firm [=definite] plans for next weekend.
2. a firm price/estimate/offer
3. The dollar remained firm against the euro.
4. reaching a firm conclusion/decision
5. They haven't set a firm date for their wedding.
6. The campaign has taken a firm hold on the public's imagination.
• having or showing true and constant support for something or someone
1. I'm a firm [=strong] believer in the value of exercise. = I have a firm belief in the value of exercise.
2. Those two are firm friends. [=they are very close friends]
• Verb
• to put (something, such as a plan) into a final form
1. We still need to firm up our vacation plans.
• to make (something) harder or more solid
1. I've been doing exercises to firm (up) and strengthen my stomach muscles.
2. She firmed [=tightened] her grip on the racket.
• to make (something) stronger
1. Her early failures only firmed [=strengthened] her resolve (to succeed).
• to become less likely to change or become weaker
1. The market is firming.
2. The market is firming up.
3. Imports are rising and prices are firming up.
• Noun
• a business organization
1. a law firm
2. a consulting firm [=company]