definition
Having no variations in height.
definition
Without variation in level, quantity, value, tone etc.
definition
(figurative) Lacking liveliness or action; depressed; uninteresting; dull and boring.
definition
(music, note) Lowered by one semitone.
definition
(music) Of a note or voice, lower in pitch than it should be.
definition
Absolute; downright; peremptory.
definition
(of a tire or other inflated object) Deflated, especially because of a puncture.
definition
(of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
definition
(wine) Lacking acidity without being sweet.
definition
(of a battery) Unable to emit power; dead.
definition
(juggling, of a throw) Without spin; spinless.
definition
(phonetics, dated, of a consonant) Sonant; vocal, as distinguished from a sharp (non-sonant) consonant.
definition
(grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
definition
(golf, of a golf club) Having a head at a very obtuse angle to the shaft.
definition
(horticulture, of certain fruits) Flattening at the ends.
definition
(of measurements of time) Exact.
definition
(homological algebra, of a module) Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
definition
(algebra, ring theory, of a ring homomorphism) Such that its target, regarded as a module over its source, is flat (as above).
definition
(algebraic geometry, scheme theory, of a morphism of schemes) Such that the induced map on every stalk is flat (as a map of rings).
definition
(of coffee) Having little froth and little milk.
definition
(UK, slang, obsolete) Foolish; simple-minded.