Strength of character is a quality that is often admired and respected in individuals. It is the ability to stay true to one's values and principles, even when faced with difficult situations. The crossword solutions for this term are SPINE (5 letters), GRIT (4 letters), FIBRE (5 letters), CALIBRE (7 letters), GRISTLE (7 letters) and MORALFIBER (10 letters). SPINE refers to the backbone of a person, which is symbolic of their strength and determination. GRIT is a combination of courage and resolve, which is necessary for a person to stand up for what they believe in. FIBRE is a metaphor for the inner strength of a person, which allows them to remain true to their values. CALIBRE is a measure of the quality of a person's character, which is determined by their actions and decisions. GRISTLE is a reference to the toughness of a person's character, which allows them to remain steadfast in the face of adversity. Finally, MORALFIBER is a term used to describe the moral strength of a person, which is essential for them to make the right choices.