Formal vocabulary
404 Formal vocabulary words
Formal-register words for academic and professional writing.
Page 3 of 5: glib to oscillate
These words are grouped by register (how formal they sound), not by a published list.
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Study them in sentences set in the topics you pick.
G
H
I
- iconoclast
- iconoclastic
- idiosyncratic
- ignominious
- immutable
- impair
- impecunious
- imperious
- imperturbable
- impervious
- impetuous
- implacable
- importunate
- importune
- impudent
- impugn
- inchoate
- incipient
- incongruent
- incontrovertible
- indefatigable
- indignant
- indolent
- ineffable
- ineluctable
- inexorable
- infer
- ingenuity
- ingenuous
- inimical
- innocuous
- inscrutable
- insipid
- insouciant
- insular
- interoperable
- intractable
- intransigent
- intrepid
- invective
- inveterate
- irascible
- irrefutable
- irresolute
J
L
M
N
O
Study these Formal words until you keep them
Learn English words in sentences about topics you pick, with a quick quiz. With an account, words come back for review.