A consonant is a speech sound that is not a vowel. It also refers to letters of the alphabet that represent those sounds: Z, B, T, G, and H are all consonants.

Consonants are all the non-vowel sounds, or their corresponding letters: A, E, I, O, U and sometimes Y are not consonants. In hat, H and T are consonants. Consonant can also be an adjective that describes things that seem like they should go together, things that are "agreeable." You could say a nation's offer of aid is consonant with their treaties. When you hear consonant sounds in music, they are pleasing, the opposite of "dissonant" sounds which are harsh.

Primary Meanings of consonant

a speech sound that is not a vowel
involving or characterized by harmony
Full Definitions of consonant

n a speech sound that is not a vowel

vowel, vowel sound
a speech sound made with the vocal tract open
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alveolar, alveolar consonant, dental, dental consonant
a consonant articulated with the tip of the tongue near the gum ridge
a consonant that is produced with a partial or complete blockage of the airflow from the lungs through the nose or mouth
a consonant pronounced with aspiration
labial, labial consonant
a consonant whose articulation involves movement of the lips
labiodental, labiodental consonant
a consonant whose articulation involves the lips and teeth
nasal, nasal consonant
a consonant produced through the nose with the mouth closed
a consonant that is produced with the tongue and other speech organs
a frictionless continuant that is not a nasal consonant (especially `l' and `r')
a doubled or long consonant
surd, voiceless consonant
a consonant produced without sound from the vocal cords
velar, velar consonant
a consonant produced with the back of the tongue touching or near the soft palate
guttural, guttural consonant, pharyngeal, pharyngeal consonant
a consonant articulated in the back of the mouth or throat
occlusive, plosive, plosive consonant, plosive speech sound, stop, stop consonant
a consonant produced by stopping the flow of air at some point and suddenly releasing it
a consonant that is articulated using both lips; /p/ or /b/ or /w/
labial stop
a stop consonant that is produced with the lips
continuant, continuant consonant
consonant articulated by constricting (but not closing) the vocal tract
affricate, affricate consonant, affricative
a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy')
Type of:
phone, sound, speech sound
(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language

n a letter of the alphabet standing for a spoken consonant

Type of:
alphabetic character, letter, letter of the alphabet
the conventional characters of the alphabet used to represent speech

adj involving or characterized by harmony

harmonic, harmonical, harmonised, harmonized
musically pleasing

adj in keeping

accordant, agreeable, concordant, conformable
(sometimes followed by `with') in agreement or consistent or reliable