soporiferous

• The atmosphere is soporiferous, hardly conducive to editorial inspiration, and I find the commingled flavours of red-cedar, glue and rubber quite nourishing Presently Dr. Mortimer, the minister, comes down the street in company with his deacon, Blinky Lockwood. —  The Fortune Hunter
• As we did not speak above a whisper, a very soporiferous proceeding, I was not surprised that both —  James Braithwaite, the Supercargo The Story of his Adventures Ashore and Afloat
• The garden is also enriched by the cucumber, the soporiferous poppy, and the daffodil, and the acanthus. —  Library of the World's Best Literature, Ancient and Modern — Volume 4
• "Whence I conclude," said Fritz, addressing himself, "that my orations must be somewhat soporiferous." —  Willis the Pilot
• All this I was told; for, while the operation was performing, I lay in a profound sleep, by the force of that soporiferous medicine infused into my liquor. —  Gulliver's Travels

Allen's Synonyms and Antonyms

Used in the Same Context