1. In actuality or reality or fact
   "in effect, they had no choice"
   - effectively

1. Exerting force or influence
   "the law is already in effect (or in force)"
   - effective, good, in force

See also: operative

• by-and-by
• by-bid
• by-blow
• by-election
• by-line
• Byblos
• bycatch
• Bydgoszcz
• bye
• bye-bye
• bye-election
• Byelarus
• byelaw
• Byelorussia
• Byelorussian
• bygone
• bylaw
• byname
• BYOB
• bypass
• bypass capacitor
• bypass condenser
• bypast
• bypath
• byplay