biological

adjective
variants: or less commonly

biologic

Definition of biological

  1. 1 :  of or relating to biology or to life and living processes

  2. 2 :  used in or produced by applied biology

  3. 3 :  connected by direct genetic relationship rather than by adoption or marriage her biological father

biologically

play \-ji-k(ə-)lē\ adverb

Examples of biological in a Sentence

  1. the rights of the biological father in this case

1818

First Known Use of biological

1818



BIOLOGICAL Defined for English Language Learners

biological

adjective

Definition of biological for English Language Learners

  • : of or relating to biology or to life and living things

  • : related through birth


BIOLOGICAL Defined for Kids

biological

adjective bi·o·log·i·cal \ˌbī-ə-ˈlä-ji-kəl\

Definition of biological for Students

  1. 1 :  of or relating to biology or to life and living things biological activity

  2. 2 :  related by birth


Medical Dictionary

biological

adjective
variants: also

biologic

Medical Definition of biological

  1. 1:  of or relating to biology or to life and living processes

  2. 2:  used in or produced by applied biology

  3. 3:  related by direct genetic relationship rather than by adoption or marriage an adoptee who searched for years for her biological parents

biologically

\-i-k(ə-)lē\play adverb


Seen and Heard

What made you want to look up biological? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!