Antonyms for the phrase 'haddest signs of' can be words that convey the opposite meaning of showing or displaying indications. Words such as concealed, hidden, veiled, or obscured can be used to express the opposite of having visible signs. These words suggest that something may be present, but not easily perceived or shown. Other antonyms for 'haddest signs of' could include words like minimal, slight, or faint, indicating that there is only a small suggestion of something present, rather than a significant indication. These words can be useful for conveying a different tone or meaning in written or spoken language, and help to create a more precise and nuanced message.