re·miss 
/rɪˈmɪs/ adjective
/rɪˈmɪs/ adjective [more remiss; most remiss] formal : not showing enough care and attention
▪ It would be remiss (of me) if I forgot to mention them in my lecture. ▪ I was remiss in paying my bills. [=I neglected to pay my bills]
▪ It would be remiss (of me) if I forgot to mention them in my lecture. ▪ I was remiss in paying my bills. [=I neglected to pay my bills]
