lineal

/ˈlɪniːəl/

IPA: /L IH1 N IY0 AH0 L/

adjective
  1. 1

    (family) Of a family relationship that includes mothers, fathers, daughters, sons, grandparents, grandchildren, etc., but not siblings; as opposed to collateral.

  2. 2

    Inheriting by direct descent; having the right by direct descent to succeed (to).

  3. 3

    Composed of lines; delineated.

    lineal designs

  4. 4

    In the direction of a line; of a line; of or relating to a line; measured on, or ascertained by, a line; linear.

    lineal magnitude

Antonyms

Source: https://en.wiktionary.org/wiki/lineal