1. In essence; at bottom or by one's (or its) very nature
   "the argument was essentially a technical one"
   - basically, fundamentally

See also: essential

• catch a glimpse
• catch a wink
• catch cold
• catch crop
• catch fire
• 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