The term 'like seawater' can be described by three crossword solutions: SALINE (6 letters), SALTY (5 letters), and BRINY (5 letters). SALINE is an adjective that means containing a high concentration of salt, usually referring to a solution of salt and water. SALTY is an adjective that means having a strong taste of salt. BRINY is an adjective that means having a strong smell or taste of salt, often referring to the sea. All three words are used to describe the taste and smell of seawater.