derivational

/¦derə¦vāshənᵊl How to pronounce derivational (audio) -shnəl/ (ame, mw)

derivational — adjective

  • derivationalpositive
  • more derivationalcomparative
  • most derivationalsuperlative

1. used for the process of making one word from another, especially by adding a pre

1.形容詞C2
釋義

used for the process of making one word from another, especially by adding a prefix or suffix or by changing its word class

例句

Yuki learned three derivational suffixes before the spelling quiz.

collocation: derivational suffix

Justin compared derivational prefixes with endings that mark past tense.

contrast with inflectional endings

同義詞
  • word-forming

    plain-English description often used in teaching, with less technical force than 'derivational'

  • morphological

    broader term for word structure; not all morphological change is derivational

  • affixal

    narrower term that focuses on prefixes and suffixes rather than every kind of derivational relation

反義詞
  • inflectional

    describes endings that mark grammar such as tense or number without creating a new word

用法筆記

Used mainly in grammar or linguistics. It usually describes prefixes, suffixes, patterns, or processes that create a related new word, and it often contrasts with inflectional when the change only marks grammar.

常見錯誤

❌The -ed ending in walked is derivational.
✅The -ed ending in walked is inflectional.
💡derivational change creates a new word, while -ed only marks tense.
❌Teacher is the derivational form of teach because it keeps the same meaning.
✅Teacher is a derivational form of teach because it creates a new noun from the verb.
💡derivational change makes a related new word, often in a new word class.