Remiss (adjective)
At fault; failing to fulfill responsibility, duty, or obligations.
“I would certainly be remiss if I did not give credit where credit was due.”
Remiss (adjective)
Not energetic or exact in duty or business; careless; tardy; slack; hence, lacking earnestness or activity; languid; slow.
Amiss (adjective)
Wrong; faulty; out of order; improper or otherwise incorrect
“He suspected something was amiss.”
“Something amiss in the arrangements had distracted the staff.”
Amiss (adverb)
Mistakenly, wrongly.
Amiss (noun)
Fault; wrong; an evil act, a bad deed.
Remiss (adjective)
lacking care or attention to duty; negligent
“it would be very remiss of me not to pass on that information”
Amiss (adjective)
not quite right; inappropriate or out of place
“there was something amiss about his calculations”
Amiss (adverb)
wrongly or inappropriately
“the prime minister may have constructed his cabinet a little amiss”