1. On or from the outside
   "the candidate needs to be externally evaluated" 
2. With respect to the outside
   - outwardly

See also: external

Antonym: internally

• portable circular saw
• portable computer
• Portable Document Format
• portable saw
• portacaval shunt
• portage
• portal
• portal hypertension
• portal site
• portal system
• portal tomb
• portal vein
• portamento
• portative
• portcullis
• Porte
• porte-cochère
• portend
• portent
• portentous
• portentously
• porter
• porter's beer
• porterage
• porterhouse