a combining form meaning “false,” “pretended,” “unreal,” used in the formation of compound words (pseudoclassic; pseudointellectual): in scientific use, denoting close or deceptive resemblance to the following element (pseudobulb; pseudocarp), and used sometimes in chemical names of isomers (pseudoephedrine).
Also especially before a vowel, pseud-.
Origin of pseudo-
< Greek, combining form of pseudḗs false, pseûdos falsehood
Can be confusedpseudo- quasi-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for pseudo-
sometimes before a vowel pseud-
false, pretending, or unauthenticpseudo-intellectual
having a close resemblance topseudopodium
Word Origin for pseudo-
from Greek pseudēs false, from pseudein to lie
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
Medicine definitions for pseudo-
False; deceptive; sham:pseudohematuria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.