Tuesday word: Sibylline
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1word1dayTuesday, June 9, 2026
Sibylline (adjective)
sibylline [sib-uh-leen, -lahyn, -lin]
adjective, also sibylic
1. of, resembling, or characteristic of a sibyl; prophetic; oracular.
2. mysterious; cryptic.
See more synonyms on Thesaurus.com
Origin: First recorded in 1570–80; from Latin Sibyllīnus “pertaining to a sibyl”; see origin at sibyl, -ine
Example Sentences
But Justin Crump, an Army Reserve Officer who heads the risk and intelligence company Sibylline, argues that boosts to technology won't make up for the lack of military hardware.
From BBC • May 12, 2025
Justin Crump of risk advisory company Sibylline said the pattern of damage inside and outside the plane indicated that Russian air defence active in Grozny may have caused the crash.
From BBC • Dec. 26, 2024
“They’ve got to show … they’re in this conflict for the long term and that they’re able to keep sustaining this effort,” said Justin Crump, a former British tank commander who heads security consultancy Sibylline.
From Washington Times • May 15, 2023
“Russia is seeking to overwhelm Ukrainian air defenses,” Justin Crump, chief executive of security consultancy Sibylline, told the BBC.
From Seattle Times • Oct. 10, 2022
“Figure out the prophecy? I mean...that was a prophecy Ella spoke, right? From the Sibylline Books?”
From "The Mark of Athena" by Rick Riordan
Sibylline (adjective)
sibylline [sib-uh-leen, -lahyn, -lin]
adjective, also sibylic
1. of, resembling, or characteristic of a sibyl; prophetic; oracular.
2. mysterious; cryptic.
See more synonyms on Thesaurus.com
Origin: First recorded in 1570–80; from Latin Sibyllīnus “pertaining to a sibyl”; see origin at sibyl, -ine
Example Sentences
But Justin Crump, an Army Reserve Officer who heads the risk and intelligence company Sibylline, argues that boosts to technology won't make up for the lack of military hardware.
From BBC • May 12, 2025
Justin Crump of risk advisory company Sibylline said the pattern of damage inside and outside the plane indicated that Russian air defence active in Grozny may have caused the crash.
From BBC • Dec. 26, 2024
“They’ve got to show … they’re in this conflict for the long term and that they’re able to keep sustaining this effort,” said Justin Crump, a former British tank commander who heads security consultancy Sibylline.
From Washington Times • May 15, 2023
“Russia is seeking to overwhelm Ukrainian air defenses,” Justin Crump, chief executive of security consultancy Sibylline, told the BBC.
From Seattle Times • Oct. 10, 2022
“Figure out the prophecy? I mean...that was a prophecy Ella spoke, right? From the Sibylline Books?”
From "The Mark of Athena" by Rick Riordan
