Adjectives Starting with I and Containing EF

This list gathers 23 English adjectives starting with I and containing EF, such as Ineffective, Indefinite, Inefficient, Indefensible, Irrefutable, Indefinable and Ineffectual. Use the sorting controls below to organize entries by length, or consult our adjective grammar guide to check adjective order and comparative rules.

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Starts with IM
1 words
immunodeficient
Starts with IN15 words
ineffective
indefinite
inefficient
indefensible
indefinable
ineffectual
indefatigable
ineffable
ineffaceable
inefficacious
indefeasible
inciteful
indefectible
infeft
increaseful
Starts with IR7 words
irrefutable
ireful
irreflexive
irrefragable
irreformable
irreflective
irrefrangible

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