senescent

[ si-nes-uhnt ]
/ sɪˈnɛs ənt /

adjective

growing old; aging.
Cell Biology. (of a cell) no longer capable of dividing but still alive and metabolically active.

QUIZZES

QUIZ YOURSELF ON THESE WORDS FROM BROWN GIRL DREAMING!

Visualize yourself passing this quiz on words from Jacqueline Woodson’s exquisite verse novel “Brown Girl Dreaming,” and then take the quiz to prove you can do it! (Because you can.)
Question 1 of 10
What does “barren” mean?

Origin of senescent

1650–60; <Latin senēscent- (stem of senēscēns) present participle of senēscere ‘to grow old’, equivalent to sen- ‘old’ + -ēscent--escent

OTHER WORDS FROM senescent

se·nes·cence, nounun·se·nes·cent, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for senescent

British Dictionary definitions for senescent

senescent
/ (sɪˈnɛsənt) /

adjective

growing old
characteristic of old age

Derived forms of senescent

senescence, noun

Word Origin for senescent

C17: from Latin senēscere to grow old, from senex old
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

Medical definitions for senescent

senescent
[ sĭ-nĕsənt ]

adj.

Growing old; aging.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.