insufferable
in|suf|fer|able /ɪns'ʌfrəbəl/
[ADJ]
If you say that someone or something is insufferable, you are emphasizing that they are very unpleasant or annoying. (FORMAL)
He was an insufferable bore.
= unbearable
● insufferably [ADV] ADV adj
His letters are insufferably dull...
[ADJ]
If you say that someone or something is insufferable, you are emphasizing that they are very unpleasant or annoying. (FORMAL)
He was an insufferable bore.
= unbearable
● insufferably [ADV] ADV adj
His letters are insufferably dull...