say it: soo-uh-SAHY-duhl
suicidal is an adjective meaning "dangerous to yourself or your interests". It carries one recorded sense.
dangerous to yourself or your interests
“suicidal impulses”
“a suicidal corporate takeover strategy”
“a kamikaze pilot”
Definitions, synonyms and semantic relations for suicidal come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.