| Word | Definitions | Synonyms |
|---|---|---|
| undiscipline | (noun) the trait of lacking discipline | Synonyms: indiscipline |
| valine | (noun) an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults | - |
| waistline | (noun) the narrowing of the body between the ribs and hips | Synonyms: waist |
| waterline | (noun) a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship | Synonyms: water level, water line |