hɑːd hɑɹd sɜːd sɝd ʌnˈspoʊkən ʌnˈʌtə(ɹ)d ˌʌnˈʌtɚd ˌʌnˈvɔɪst not made explicit the unexpressed terms of the agreement things left unsaid some kind of unspoken agreement his action is clear but his reason remains unstated produced without vibration of the vocal cords unvoiced consonants such as ‘p’ and ‘k’ and ‘s’