Synonyms: unilateral, one-sided
Definition: involving only one part or side
Usage: unilateral paralysis; a unilateral decision
Similar words: one-party
Definition: determined by a single party
Synonyms: unilateral
Definition: tracing descent from either the paternal or the maternal line only
Definition: in a straight unbroken line of descent from parent to child
Usage: lineal ancestors; lineal heirs; a direct descendant of the king; direct heredity