(~s, ~ing, ~ed)
1.
A ~ is something which could be dangerous to you, your health or safety, or your plans or reputation.
A new report suggests that chewing-gum may be a health ~...
N-COUNT: oft N to/for n, N of n
2.
If you ~ someone or something, you put them into a situation which might be dangerous for them. (mainly WRITTEN)
He could not believe that, had the Englishman known how much he was at risk, he would have ~ed his grandson.
VERB: V n
3.
If you ~ or if you ~ a guess, you make a suggestion about something which is only a guess and which you know might be wrong.
I would ~ a guess that they’ll do fairly well in the next election...
VERB: V n