Irksomely
The Century Dictionary and Cyclopedia
In an irksome, vexatious, wearisome, or tedious manner.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
In an
irksome
manner;
tediously
.
Word Usage
"She's almost irksomely cute, first of all, with a raspy little voice and a Bettie Page hairdo."