1. Full of submerged reefs or sandbanks or shoals
   "shoaly waters"
   - reefy, shelfy, shelvy

See also: shallow, shoal

• Silybum marianum
• sim
• SIM card
• sima
• simal
• Simarouba
• Simarouba amara
• Simarouba glauca
• Simaroubaceae
• simazine
• Simchas Torah
• Simchat Torah
• Simenon
• Simeon
• Simhat Torah
• Simhath Torah
• simian
• similar
• similarity
• similarly
• simile
• similitude
• simmer
• simmer down
• simmering