suicidal adj.
1 wanting to kill yourself
VERBS be, feel, look, sound | become, get He became very depressed and even got suicidal at one point.
ADV. almost
2 likely to cause your failure
VERBS be, prove
ADV. economically, politically a move which would be politically suicidal
PREP. for These policies would prove suicidal for our economy.
You can also check other dicts: suicidal (English, 中文解释 ), wordnet sense, Collins Definition