There is a total of 355 clues beginning with ef
- Effective range of a loud-speaker
- Effective relievers
- Effective resource held in reserve: Colloq
- Effective salesman
- Effective salesperson
- Effective spacing of gags
- Effective use
- Effective use of lang
- Effective, as a law
- Effective, as a rule
- Effective, as an argument
- Effective
- Effective; vigorous
- Effectively
- Effectively concise
- Effectively play reveille
- Effectively slam on the brakes
- Effectively treat
- Effectiveness
- Effectiveness of a coat at the beach?: Abbr
- Effectiveness of a law, metaphorically
- Effectiveness of a satisfactory comic insult?
- Effectiveness of a weapon
- Effectiveness, figuratively
- Effectiveness
- Effects
- Effects by force
- Effects created by 43-Across
- Effects in music
- Effects ingress
- Effects of double espressos
- Effects of many waterfalls
- Effects of months of glute workouts?
- Effects of riddling
- Effects of Southern exposure?
- Effects seen down the road
- Effects seen on FX, perhaps
- Effects used to create some superheroes
- Effects used to create the movie Hulk (abbr)
- Effectuate
- Effectuates
- Effeminacy
- Effeminate
- Effendi's equivalent
- Effendi, for one
- Effervesce
- Effervesce, as some wine
- Effervesce
- Effervesced
- Effervesced
- Effervescence
- Effervescence
- Effervescent
- Effervescent "Dr"
- Effervescent "Dr"
- Effervescent beverage
- Effervescent beverages
- Effervescent citrus beverage
- Effervescent doctor?
- Effervescent dosage
- Effervescent drink
- Effervescent drink
- Effervescent drinks
- Effervescent drinks
- Effervescent item tossed into tubs
- Effervescent refreshment
- Effervescent sound
- Effervescent tonic
- Effervescent, perhaps
- Effervescent-voiced birds
- Effervescent-voiced songbird
- Effervescent
- Effervescent: Colloq
- Effervescer
- Effervesces
- Effervesces
- Effervescing
- Effervescing device
- Effete
- Effete
- Efficacious
- Efficacy
- Efficiency adage, in France?
- Efficiency apartment
- Efficiency check
- Efficiency device
- Efficiency expert's goal
- Efficiency expert's task, briefly
- Efficiency expert's tool
- Efficiency experts
- Efficiency experts earn a living ___
- Efficiency improvers
- Efficiency meas
- Efficiency measure
- Efficiency measurement
- Efficiency option
- Efficiency stat
- Efficiency stat for NFL passers
- Efficiency symbol, in physics
- Efficiency symbols, in physics