Wordiyo
RootsVocabularyCoursesGuidesMy WordsPricing
Wordiyo

Build your English vocabulary systematically through roots and etymology.

Explore

  • Roots
  • Vocabulary
  • My Words

Learn

  • Guides
  • Pricing

Company

  • About
  • Terms
  • Privacy

© 2026 Wordiyo.

  1. Home
  2. /optim
  3. /optimal

optimal

UK/'ɒptimәl/US
TOEFLB1

Definitions

adj.

Best or most favorable; producing the best possible result under the given conditions

最佳的,最优的

Root Breakdown

Root-derived
optimbest, most suitable
+
-alrelating to, having the nature of
=optimal

optim (best, from Latin optimus) + -al (relating to) = 'of the best kind.' optimal does not mean a loose 'very good' — it means the single best option available given the constraints. That precision is why it lives in science, engineering, and economics: the optimal solution is the one that beats all the alternatives.

Root optim still carries 7 more words

Common Collocations

  • 1.optimal solution最优解
  • 2.optimal performance最佳性能
  • 3.optimal conditions最佳条件
  • 4.optimal level最佳水平
  • 5.optimal use最佳利用

Example Sentences

  • 1.

    The algorithm searches for the optimal route between the two cities.

  • 2.

    For optimal growth, these plants need plenty of sunlight and water.

  • 3.

    The team is far from optimal performance after so many injuries.

Easily Confused

optimal vs optimum (adj.) — Both mean 'best under the conditions' and often overlap. optimal is the everyday adjective ('optimal performance'); optimum, though usable as an adjective ('optimum temperature'), is more natural as a noun for the best point itself ('find the optimum'). When in doubt, use optimal as the adjective.

Synonym Comparison

- optimal — the single best given the constraints; technical, precise

- best — plain, absolute superlative; works everywhere

- ideal — the best one could imagine, often unattainable in practice

- perfect — flawless, with no room for improvement

- maximum — the greatest in quantity or degree, not necessarily the most desirable

Word Forms

Adjective

Comparativemore optimal
Superlativemost optimal

Derivatives

optimallyoptimize
← Back to optim