Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hard_hat

2 senses of hard hat

Sense 1
construction worker, hard hat -- (a worker skilled in building offices or dwellings etc.)
       => craftsman, artisan, journeyman, artificer -- (a skilled worker who practices some trade or handicraft)

Sense 2
hard hat, tin hat, safety hat -- (a lightweight protective helmet (plastic or metal) worn by construction workers)
       => helmet -- (a protective headgear made of hard material to resist blows)