seemingly good but actually flawed

specious

adjective|/ˈspiː.ʃəs/

Superficially plausible but actually wrong or deceptive

Examples

In a meeting

That's a specious argument—the logic sounds good but doesn't hold up under scrutiny.

Over coffee

His reasoning for skipping the gym was specious at best.

Why this word

misleading

Specious specifically means superficially plausible but actually wrong, while misleading broadly means causing error

false

Specious emphasizes deceptive appearance of truth or logic, while false simply means untrue without implying convincing facade

deceptive

Specious highlights seeming reasonable while being fallacious, while deceptive broadly covers any form of trickery

Usage tip

Use when identifying arguments that appear valid on the surface but are fundamentally flawed. Implies misleading reasoning.

Etymology

Latin 'speciosus' (beautiful, plausible), from 'species' (appearance)

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