Impute
To suggest or say that someone is guilty of (something)
Inept
Lacking skill or ability
acumen
Shrewd; ability to make a good judgement
Deft
Skillful and clever
Beguile
To trick; deceive; dupe
Maladroit
Very awkward
Calamitous
Causing great harm; catastrophic
Obfuscate
To make unclear
Circumspect
Thinking carefully about possible risks before doing something
Prosaic
Dull or ordinary
vacuous
Having or showing a lack of intelligence or serious thought
Jocular
Liking to tell jokes