adjective Of, pertaining to, or resembling the human voice or speech.
vocal problems
adjective Used in the production of speech sounds.
vocal apparatus
adjective Relating to, composed or arranged for, or sung by the human voice.
adjective Consisting of, or characterized by, voice, or tone produced in the larynx, which may be modified, either by resonance, as in the case of the vowels, or by obstructive action, as in certain consonants, such as v, l, etc., or by both, as in the nasals m, n, ng.
adjective Synonym of vocalic.
adjective Uttered or modulated by the voice; expressed in words.
vocal melody, vocal prayer, vocal worship
adjective Expressing opinions or feelings freely, loudly, or insistently.
The protesters were very vocal in their message to the mayor.
adjective Having or exercising the power of producing voice, speech, or sound.