D-Words
F-Words
A-Words
C-Words
I-Words
100

So thin as to transmit light

Diaphanous

100

Devoid of intelligence

Fatuous

100

Formally reject or disavow a formerly held belief

Abjure

100

A false accusation of an offense

Calumny

100

Someone who attacks cherished ideas or institutions

Iconoclast

200

Fundamentally different or distinct in quality or kind

Disparate

200

Good-natured tolerance of delay or incompetence

Forbearance

200

The denial and rejection of a doctrine or belief

Abnegation

200

The quality of affording easy familiarity and sociability

Camaraderie

200

Characterized by undue haste and lack of thought

Impetuous

300

Cause to separate and go in different directions

Dispel

300

Easily irritated or annoyed

Fractious

300

Revoke formally

Abrogate

300

Play boisterously

Cavort

300

Devoid of intelligence

Inane

400

Showing a brooding ill humor

Dour

400

lucky; occurring by happy chance

Fortuitous

400

Difficult to understand

Abstruse

400

Utter or proclaim insistently and noisily

Clamor

400

Impossible to deny or disprove

Incontrovertible

500

Pertaining to a code of beliefs accepted as authoritative

Dogmatic

500

Hinder or prevent, as an effort, plan, or desire

Foil

500

Approach and speak to someone aggressively or insistently

Accost

500

Powerfully persuasive

Cogent

500

Provoke or stir up

Instigate

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