1. Heading in any direction that is conventionally up
   "upbound shipping lanes"

See also: up

• imagism
• imago
• imam
• Imamu Amiri Baraka
• imaret
• imaum
• Imavate
• imbalance
• imbalanced
• imbauba
• imbecile
• imbecilic
• imbecility
• imbed
• imbibe
• imbiber
• imbibing
• imbibition
• imbricate
• imbricated
• imbrication
• imbroglio
• imbrue
• imbue
• imburse