The term "thick-tongued" refers to someone who has difficulty speaking clearly or articulating their words properly. There are various synonyms that can be used to describe such a condition, including slurred, mumbled, garbled, inarticulate, indistinct, and jumbled. These words are often used to describe speech impediments or speech patterns that are difficult to understand. People who suffer from a thick tongue condition may have a medical condition that affects their speech, such as dysarthria, or they may simply have a thick accent or language barrier that makes them difficult to understand. By using these synonyms, you can better describe the condition and help others understand the challenges faced by those who suffer from thick-tonguedness.