SENESCENT

PRONUNCIATION: (si-NES-uhnt)

MEANING: adjective:
1. Growing old; aging.
2. Deteriorating or decaying with the passage of time.

ETYMOLOGY: From Latin senescere (to grow old), from senex (old). Ultimately from the Indo-European root sen- (old), which is also the ancestor of senior, senate, senile, Spanish señor, sir, sire, and surly (which is an alteration of sirly, as in sir-ly). Earliest documented use: 1656.
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SENESCANT - Why, you've hardly aged at all since I saw you !

SENASCENT - the lament of Sisyphus - this pushing a rock uphill over and over is getting old already...

SENSE:SCENT - usually considered the fifth of the five ways we get information about the outside world