casual Fridayˌcasual ˈFriday noun [countable, uncountable] American English 
dress-down Friday
dress-down Friday- phenomenology
- phenomenon
- pheromone
- phew
- phial
- Phi Beta Kappa
- -phil
- Philadelphia
- Philadelphia Orchestra
- philanderer
- philandering
- philanthropic
- philanthropically
- philanthropist
- philanthropy
- philatelic
- philatelist
- philately
- Philby, Kim
- -phile
- Philharmonia Orchestra
- Philharmonic
- -philia
- -philiac
- Philip Morris