The abstract noun form for the verb to displease is displeasure.
I/We/You/They have displeasedHe/She/It has displeased
Displease.
The British spelling of skillful is skillful in a British accent
The prefix that can be added to "please" is "dis-" to form "displease".
yes she is skillful
skillful
Inept is the opposite/antonym of skillful.
Skillfully is the adverb form of skillful.
The comparative form of "skillful" is "more skillful" and the superlative is "most skillful."
The British speak and use the English language so it would be spelled as skillful.
well deftly means skillful, if that helps