nonbreakable

Resistant to breaking

Nonbreakable describes something that cannot be broken or is highly resistant to breaking: nonbreakable plastic, nonbreakable dishes.

The term often appears in product descriptions for durable materials like certain plastics or safety glass.

Unbreakable is more common in everyday speech; nonbreakable tends toward technical or commercial contexts.

durable

shatterproof

Resistant to breaking

hard-wearing · heavy-duty · reinforced · solid · strong · long-lasting · enduring · permanent · resistant · fortified

bond

inseparable

Unable to be divided

lasting · enduring · strong · tight · secure · firm · solid · binding · committed · devoted

resilient

flexible

Able to bend freely

supple · springy · adaptable · stretchable · malleable · pliant · bouncy · recoverable · forgiving · cushioned

reliable

dependable

Worthy of trust

stable · unfailing · faithful · secure · guaranteed · proven · unswerving · steady · constant · unwavering

Opposites
physical durability/fragility

nonbreakablebreakable

Capable of shattering

fragile · frangible · delicate · brittle · shatterable

Family

break, breaking, breakable, unbreakable, breaker, breakage, unbreakability

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G