Foolish or inane, especially in an unconscious, complacent manner; silly, unreal or illusory. Synonyms for fatuous are: dull, dim-witted, dense. Delusive, pointless. Example of fatuous in a sentence as follows:

Ignoring the avalanche warnings, the fatuous skiers continued down their path.

The fatuous questions asked by the students in the audience made the professor realize that they understood very little.

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