Reading Theme:
Suicidal: Definition, Usage & Key Distinctions (2 meaning)
Meaning 1：having suicidal thoughts (suicidal)
suicidal
/ˌsuːɪˈsaɪdəl/
adj.
Describing a state of severe mental distress where a person has thoughts of harming or killing themselves.
having suicidal thoughts
➕
/ˈhævɪŋ ˌsuːɪˈsaɪdəl θɔːts/
adj.
Describing a person experiencing severe mental distress with thoughts of self-harm or ending their own life.
📘 Details & Usage
📖 Root Explanation
From 'suicide' (self-killing) + '-al' (adjective suffix).
💡 Mnemonic
Think 'sui' (self) + 'cidal' (like homicide) → related to self-harm.
📖 Example
She noticed her friend's suicidal thoughts and immediately called a helpline for help.
She recognized her friend's suicidal thoughts and promptly contacted a support hotline.
🔗 Collocations
suicidal thoughts – thoughts about killing oneself
suicidal behavior – actions that indicate a risk of suicide
suicidal tendencies – inclinations towards self-harm or suicide
🔄 Synonyms
self-destructive (adj.) – causing harm to oneself
despairing (adj.) – feeling complete loss of hope
hopeless (adj.) – having no expectation of good or success
🚫 Antonyms
hopeful (adj.) – feeling or inspiring optimism
life-affirming (adj.) – positive and encouraging about life
🌱 Derivatives
suicidally (adv.) – in a suicidal manner
suicidality (n.) – the state of being suicidal
📖 Cultural Story
Derived from 'suicide', from Latin 'sui' (of oneself) and 'caedere' (to kill). Entered English in the 17th century, now used in mental health contexts and metaphorically for reckless actions.
Meaning 2：recklessly dangerous (suicidal)
suicidal
/ˌsuːɪˈsaɪdəl/
adj.
Used to describe an action, plan, or decision that is extremely foolish and likely to result in disaster or great harm.
recklessly dangerous
➕
/ˈrɛkləsli ˈdeɪndʒərəs/
adj.
Referring to an action, plan, or decision that is extremely unwise and likely to lead to severe negative consequences or ruin.
📘 Details & Usage
📖 Example
Investing all his savings in that unstable startup was a suicidal financial move.
Putting all his money into that risky startup was a financially disastrous decision.
🔗 Collocations
suicidal mission – a task that is almost certain to fail or cause harm
suicidal policy – a course of action that will likely lead to disaster
suicidal gamble – a risky bet with high probability of loss
🔄 Synonyms
foolhardy (adj.) – recklessly bold or rash
imprudent (adj.) – not showing care for the consequences of an action
catastrophic (adj.) – involving or causing sudden great damage or suffering
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