se·nes·cent
(sĭ-nĕs′ənt)adj.
1. Growing old; aging.
2. No longer dividing. Used of a cell.
[Latin senēscēns, senēscent-, present participle of senēscere, to grow old, inchoative of senēre, to be old, from senex, sen-, old; see sen- in Indo-European roots.]
se·nes′cence n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
senescent
(sɪˈnɛsənt)adj
1. growing old
2. characteristic of old age
[C17: from Latin senēscere to grow old, from senex old]
seˈnescence n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
se•nes•cent
(sɪˈnɛs ənt)adj.
growing old; aging.
[1650–60; < Latin senēscent-, s. of senēscēns, present participle of senēscere to grow old, derivative of senex, s. sen- old; see -escent]
se•nes′cence, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Adj. | 1. |  senescent - growing old old - (used especially of persons) having lived for a relatively long time or attained a specific age; "his mother is very old"; "a ripe old age"; "how old are you?" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.