1. Not allowing air or gas to pass in or out
   - airtight, air-tight

See also: tight

• subordinate clause
• subordinate conjunction
• subordinate word
• subordinateness
• subordinating
• subordinating conjunction
• subordination
• subordinative
• suborn
• subornation
• subornation of perjury
• suborner
• suboxide
• subpart
• subphylum
• subphylum Cephalochordata
• subphylum Craniata
• subphylum Pentastomida
• subphylum Tunicata
• subphylum Urochorda
• subphylum Urochordata
• subphylum Vertebrata
• subplot
• subpoena
• subpoena ad testificandum