maximal

IPA/ˈmæksɪml/
KK[mˈæksəməl]IPA/ˈmæksɪml/

maximal — adjective

  • maximalpositive
  • more maximalcomparative
  • most maximalsuperlative

1. the highest amount, size, or degree that is possible under a given set of condit

1.adjectiveB2
Definition

the highest amount, size, or degree that is possible under a given set of conditions

Example

The doctor prescribed the maximal dose of pain relief for Rafael after his accident.

collocation: maximal dose

Stefan's team achieved maximal efficiency by removing unnecessary steps from the production line.

collocation: maximal efficiency

Common collocations
  • maximal dose
  • maximal efficiency
  • maximal benefit
  • maximal effect
  • maximal effort
  • maximal output
  • maximal capacity
Synonyms
  • maximum

    more common in everyday speech; 'maximal' is preferred in formal or technical contexts

  • greatest

    simpler and less formal; often used for size, degree, or importance

  • fullest

    emphasises completeness rather than a numeric limit

Antonyms
  • minimal

    the opposite extreme — the smallest possible amount or degree

Grammar Patterns

maximal + noun

be + maximal

Usage Note

Common in academic, technical, and medical writing. In everyday conversation, speakers usually prefer 'maximum' instead of 'maximal'.

Common Mistakes

The maximal of the range is one hundred.
The maximum of the range is one hundred.
'Maximal' is an adjective only; use 'maximum' as a noun.
She reached the maximal speed on the highway.
She reached the maximum speed on the highway.
'Maximum' is the more natural choice for measurable physical limits in everyday contexts.

Word family

Synonym discussion

Sense: adjective/1

'Maximum' and 'maximal' are closely related, but 'maximum' is far more common in everyday English and can function as both an adjective ('the maximum speed') and a noun ('the maximum is 200 km/h'). 'Maximal' is strictly an adjective and appears mainly in formal or technical writing — medicine, engineering, and academic papers. 'Greatest' is a plainer word that works across registers and focuses on size, degree, or importance rather than an absolute upper bound ('the greatest challenge of his career'). 'Fullest' emphasises completeness rather than a numeric ceiling ('make the fullest use of your time'). 'Top' is the most informal option and can refer to rank, quality, or position ('top speed', 'top priority'). For a research paper, choose 'maximal' or 'maximum'; for a casual conversation, 'greatest' or 'top' sound more natural.

maximum ↗greatest ↗fullest ↗top ↗

Common collocations

Nouns

Etymology

LatinFrenchEnglish

Originates from Latin 'maximus' meaning 'greatest' — the superlative form of 'magnus' (large/great). The English suffix '-al' was added to form the adjective, giving the word its modern meaning of 'at the highest possible level'. The noun form 'maximum' entered English earlier, while 'maximal' developed later as a purely adjectival counterpart, first recorded in the mid-19th century.

First known use

1882

1882, in the meaning defined at sense 1