1. Packed full to capacity
   - chockablock, chock-full, choke-full, chuck-full, cram full

See also: full

• sightedness
• sighting
• sightless
• sightlessness
• sightly
• sightread
• sightreader
• sights
• sightsee
• sightseeing
• sightseer
• sightsing
• sigil
• sigillography
• SIGINT
• sigma
• Sigmodon
• Sigmodon hispidus
• sigmoid
• sigmoid colon
• sigmoid flexure
• sigmoid sinus
• sigmoid vein
• sigmoidal
• sigmoidectomy