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

• feminist
• feminist movement
• feminity
• feminization
• feminize
• femme
• femme fatale
• femocrat
• femoral
• femoral artery
• femoral biceps
• femoral nerve
• femoral pulse
• femoral vein
• femoris
• femto-
• femtochemistry
• femtometer
• femtometre
• femtosecond
• femtovolt
• femur
• fen
• fen orchid
• fen orchis