1. Lacking professional skill or expertise
   "a very amateurish job"
   - amateur, inexpert, unskilled

See also: amateurishness, unprofessional

• sonneteer
• sonny
• sonny boy
• Sonny Liston
• sonobuoy
• sonogram
• sonograph
• sonography
• sonometer
• Sonora
• Sonora gum
• Sonora lac
• Sonora semiannulata
• Sonoran Desert
• Sonoran lyre snake
• Sonoran whipsnake
• sonorant
• sonority
• sonorous
• sonorously
• sonorousness
• sonsie
• sonsy
• Sontag
• soochong