Meaning & Definition
noun
The most favorable condition or level for growth, reproduction, or success.
The optimum for plant growth occurs when soil moisture is at its highest.
The best or most effective condition or level.
Conservationists are working to achieve the optimum balance between development and environmental protection.
adjective
Most favorable or best for a particular situation.
The engineers designed the system to operate at optimum efficiency.
Representing the best possible outcome.
Finding the optimum solution to the problem required extensive calculations.
Etymology
From Latin 'optimus', meaning 'best'.
Common Phrases and Expressions
optimum conditions:
The most favorable circumstances for something to thrive.
optimum performance:
The best possible performance level.
optimum efficiency:
The highest level of efficiency achievable.
Slang Meanings