Adjectives That Start with EFF

Find 26 valid English adjectives starting with EFF, including Effective, Efficient, Effortless, Effing, Effervescent, Effusive and Effluent. Check definitions and usage below, or visit our adjective grammar guide to check adjective order and comparative rules.

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Starts with EFFA2 words
effaceable
effable
Starts with EFFE11 words
effective
effervescent
effectual
effeminate
effete
efferent
effectless
effectible
effere
effervescible
effered
Starts with EFFI5 words
efficient
effing
efficacious
effigurate
effigial
Starts with EFFL3 words
effluent
effluvial
efflorescent
Starts with EFFO2 words
effortless
effortful
Starts with EFFU3 words
effusive
effulgent
effuse

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