noxious
nox|ious /n'ɒkʃəs/
1 [ADJ] usu ADJ n
A noxious gas or substance is poisonous or very harmful.
Many household products give off noxious fumes.
2 [ADJ] usu ADJ n
If you refer to someone or something as noxious, you mean that they are extremely unpleasant. (FORMAL)
...the heavy, noxious smell of burning sugar, butter, fats, and flour...
Their behaviour was noxious.
1 [ADJ] usu ADJ n
A noxious gas or substance is poisonous or very harmful.
Many household products give off noxious fumes.
2 [ADJ] usu ADJ n
If you refer to someone or something as noxious, you mean that they are extremely unpleasant. (FORMAL)
...the heavy, noxious smell of burning sugar, butter, fats, and flour...
Their behaviour was noxious.