The term 'Like Best Friends' can be described by the crossword solutions of TIGHT, CLOSE, Truest, and LOYAL. These words all describe the relationship between two people who are like best friends. TIGHT and CLOSE both refer to the physical closeness of the relationship, while Truest and LOYAL refer to the emotional closeness of the relationship. The two people in this type of relationship are very CLOSE, both physically and emotionally, and are extremely LOYAL to one another.