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

See also: amateurishness, unprofessional

• catch it
• catch on
• catch one's breath
• catch out
• catch sight
• catch some Z's
• catch up
• catch up with
• catch-22
• catchall
• catcher
• catcher's mask
• catchfly
• catching
• catchment
• catchment area
• catchment basin
• catchpenny
• catchphrase
• catchweed
• catchword
• catchy
• catclaw
• cate
• catechesis