All extraordinaire antonyms

adjective extraordinaire

• ordinary — of no special quality or interest; commonplace; unexceptional: One novel is brilliant, the other is decidedly ordinary; an ordinary person.
• common — If something is common, it is found in large numbers or it happens often.
• familiar — well-acquainted; thoroughly conversant: to be familiar with a subject.
• basic — You use basic to describe things, activities, and principles that are very important or necessary, and on which others depend.
• boring — Someone or something boring is so dull and uninteresting that they make people tired and impatient.
• dull — not sharp; blunt: a dull knife.
• regular — usual; normal; customary: to put something in its regular place.