Try Our Apps


The Best Internet Slang


[pruh-poz-i-tuh s] /prəˈpɒz ɪ təs/
noun, plural propositi
[pruh-poz-i-tahy] /prəˈpɒz ɪˌtaɪ/ (Show IPA)
Law. the person from whom a line of descent is derived on a genealogical table.
Genetics. proband.
Origin of propositus
1925-30; < New Latin, special use of past participle of Latin prōpōnere to set forth, propound Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for propositus


noun (pl) -ti (-ˌtaɪ), (fem) -tae (-tiː)
(law) the person from whom a line of descent is traced
(med) Also called (esp US) proband. the first patient to be investigated in a family study, to whom all relationships are referred
Word Origin
from New Latin, from Latin prōpōnere to set forth; see propound
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
Cite This Source
propositus in Medicine

propositus pro·pos·i·tus (prō-pŏz'ĭ-təs)
n. pl. pro·pos·i·ti (-tī')

  1. See proband.

  2. A premise; an argument.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for propositus

Few English speakers likely know this word

Word Value for propositus

Scrabble Words With Friends

Nearby words for propositus