modal

A modal proposition.

A modal form, notably a modal auxiliary.

(grammar) A modal verb.

A modal window, one that cannot be closed until a decision is made.

Of, or relating to a mode or modus

(grammar) of, relating to, or describing the mood of a clause

Of, relating to, or composed in the musical modi by which an octave is divided, associated with emotional moods in Ancient — and in medieval ecclesiastical music

Of, or relating to the modality between propositions

Relating to the statistical mode.

Having separate modes in which user input has different effects.

Requiring immediate user interaction and thus presented so that it cannot be closed or interacted behind until a decision is made.

“a modal dialog; a modal window”

Relating to the form of a thing rather to any of its attributes