Antonyms of adj fragile

3 senses of fragile

Sense 1
delicate, fragile, frail -- (easily broken or damaged or destroyed; "a kite too delicate to fly safely"; "fragile porcelain plates"; "fragile old bones"; "a frail craft")

INDIRECT (VIA breakable) -> unbreakable -- (impossible to break especially under ordinary usage; "unbreakable plastic dinnerwear")

Sense 2
fragile -- (vulnerably delicate; "she has the fragile beauty of youth")

INDIRECT (VIA delicate) -> rugged -- (sturdy and strong in constitution or construction; enduring; "with a house full of boys you have to have rugged furniture")

Sense 3
flimsy, fragile, slight, tenuous, thin -- (lacking substance or significance; "slight evidence"; "a tenuous argument"; "a thin plot"; a fragile claim to fame")

INDIRECT (VIA insignificant) -> significant, important -- (important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant")

Similarity of adj fragile

3 senses of fragile

Sense 1
delicate, fragile, frail -- (easily broken or damaged or destroyed; "a kite too delicate to fly safely"; "fragile porcelain plates"; "fragile old bones"; "a frail craft")
       => breakable (vs. unbreakable) -- (capable of being broken or damaged; "earthenware pottery is breakable"; "breakable articles should be packed carefully")

Sense 2
fragile -- (vulnerably delicate; "she has the fragile beauty of youth")
       => delicate (vs. rugged) -- (exquisitely fine and subtle and pleasing; susceptible to injury; "a delicate violin passage"; "delicate china"; "a delicate flavor"; "the delicate wing of a butterfly")

Sense 3
flimsy, fragile, slight, tenuous, thin -- (lacking substance or significance; "slight evidence"; "a tenuous argument"; "a thin plot"; a fragile claim to fame")
       => insignificant (vs. significant), unimportant -- (devoid of importance, meaning, or force)

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