STRAIGHTNESS

Definition

1. noun (of hair) lack of a tendency to curl.
2. noun freedom from crooks or curves or bends or angles.
3. noun trueness of course toward a goal. — synonyms: directness
4. noun having honest intentions. — synonyms: good_faith
5. noun a sexual attraction to (or sexual relations with) persons of the opposite sex. — synonyms: heterosexuality, heterosexualism