Definition

1. Adjective:

   • Relating to mood or modality: In grammar, "modal" describes something related to the mood of a verb, which expresses the speaker's attitude (e.g., possibility, necessity, permission) toward the action or state.
   • Relating to a musical mode: In music, "modal" describes something related to a mode, which is a type of musical scale, especially one used in early or ecclesiastical music.
   • Relating to the most frequent value: In statistics, "modal" describes the value that appears most frequently in a data set.

2. Noun:

   • Modal (auxiliary) verb: A type of auxiliary verb (e.g., can, could, may, might, must, shall, should, will, would) that is used with a main verb to express modality, such as ability, permission, obligation, or possibility.

Examples of Usage

• Adjective:

  • The sentence uses a modal construction to express necessity. (Grammatical sense)
  • The composer wrote a piece in a modal style, avoiding traditional major and minor scales. (Musical sense)
  • In the survey, the modal response was "agree." (Statistical sense)

• Noun:

  • "Can," "must," and "should" are all examples of modals.
  • You need to use a modal verb here to show that it's a suggestion, not a fact.

Advanced Usage

• Modal logic: A branch of logic that deals with modalities such as necessity and possibility.
  • Philosophers study modal logic to analyze statements about what is necessarily true or possibly true.
• Modal window: In computing, a secondary window that requires user interaction before returning to the main application window.
  • A pop-up dialog box is a common type of modal window.

Variants and Related Words

• Modality (noun): The quality or state of being modal. In grammar, it refers to the expression of possibility, necessity, etc. In general use, it can refer to a particular method or procedure.
  • The modality of the verb phrase indicates certainty.
• Modally (adverb): In a modal manner.
  • The piece is composed modally.

Synonyms

• Adjective (Grammatical): Mood-related.
• Noun: Modal auxiliary, modal verb, helping verb (auxiliary verb is a broader category).

Related Phrases

• Modal auxiliary verb: The full term for the noun "modal."
  • "Will" is a modal auxiliary verb used to express future time or willingness.
• Modal verb phrase: A verb phrase that contains a modal auxiliary.
  • "She might go" is a modal verb phrase.

Adjective

1. relating to or expressing the mood of a verb
   • modal auxiliary
2. of or relating to a musical mode; especially written in an ecclesiastical mode
3. relating to or constituting the most frequent value in a distribution
   • the modal age at which American novelists reach their peak is 30

Noun

1. an auxiliary verb (such as `can' or `will') that is used to express modality