Meaning & Definition of Speculative in English

1. Not financially safe or secure

• "A bad investment"

• "High risk investments"

• "Anything that promises to pay too much can't help being risky"

• "Speculative business enterprises"

2. Not based on fact or investigation

• "A notional figure of cost helps in determining production costs"

• "Speculative knowledge"

3. Showing curiosity

• "If someone saw a man climbing a light post they might get inquisitive"

• "Raised a speculative eyebrow"