Dictionary.com

Lamarckian

[ luh-mahr-kee-uhn ]
/ ləˈmɑr ki ən /
Save This Word!

adjective
of or relating to Jean de Lamarck or his theory of organic evolution.
noun
a person who holds this theory.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of Lamarckian

First recorded in 1840–50; Lamarck + -ian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use Lamarckian in a sentence

British Dictionary definitions for Lamarckian

Lamarckian
/ (lɑːˈmɑːkɪən) /

adjective
of or relating to Lamarck
noun
a supporter of Lamarckism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK