This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Difficult or impossible to impeach: an unimpeachable witness.

adj. Beyond reproach; blameless: unimpeachable behavior.

adj. Beyond doubt; unquestionable: "works of such unimpeachable greatness” ( Musical Heritage Review).

adj. not able to be impeached or reproached

adj. blameless

adj. beyond doubt

adj. Not impeachable; not to be called in question; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless

Not impeachable; not capable of being impeached, accused, censured, or called in question; free from guilt, stain, or fault; blameless; irreproachable.

adj. free of guilt; not subject to blame

adj. beyond doubt or reproach

adj. completely acceptable; not open to exception or reproach

"Quality: High (Jeff Smith's art and storytelling remain unimpeachable, and Hamaker's color has reached new levels of awesomeness)"

guiltless    clean-handed    innocent    unquestionable    acceptable   

irreproachable    blameless   

impeachable    reachable    teachable    unreachable   

irreproachable    unquestionable    indisputable    irrefutable    indubitable    impeccable    unspotted    unassailable    unexceptionable    unquestioned