The term 'Drop in the Ocean' can be broken down into three crossword solutions: EBB (3 letters), SINK (4 letters), and EBBTIDE (7 letters). EBB is a verb meaning to recede or flow back, usually referring to the tide. SINK is a verb meaning to go down below the surface of something, such as water. Ebbtide is a noun referring to the receding of the tide. Together, these three words describe the phrase 'Drop in the Ocean, ' which is used to describe something insignificant or unimportant.