brittle

American  

[brit-l] / ˈbrɪt l /

adjective

brittler, brittlest

1. having hardness and rigidity but little tensile strength; breaking readily with a comparatively smooth fracture, as glass.

   Synonyms:

   fragile

2. easily damaged or destroyed; fragile; frail.

   a brittle marriage.

3. lacking warmth, sensitivity, or compassion; aloof; self-centered.

   a self-possessed, cool, and rather brittle person.

4. having a sharp, tense quality.

   a brittle tone of voice.

5. unstable or impermanent; evanescent.

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noun

1. a confection of melted sugar, usually with nuts, brittle when cooled.

   peanut brittle.

verb (used without object)

brittled, brittling

1. to be or become brittle; crumble.

brittle British  

/ ˈbrɪtəl /

adjective

1. easily cracked, snapped, or broken; fragile

2. curt or irritable

   a brittle reply

3. hard or sharp in quality

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noun

1. a crunchy sweet made with treacle and nuts

   peanut brittle

brittle Scientific  

/ brĭt′l /

1. Having a tendency to break when subject to high stress. Brittle materials have undergone very little strain when they reach their elastic limit, and tend to break at that limit.

2. Compare ductile

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Related Words

See frail ¹.

Other Word Forms

• brittlely adverb
• brittleness noun
• unbrittle adjective
• unbrittleness noun

Etymology

Origin of brittle

First recorded in 1350–1400; Middle English britel, equivalent to brit- (akin to Old English brysten “fragment”) + -el adjective suffix

Example Sentences

When the rock loses this water, it becomes weaker and more brittle.

From Science Daily

On both occasions, they clawed their way back in a historic victory that rewrote a long-standing narrative of teams rich in talent but brittle under pressure.

From BBC

Particles emitted from a fusion plasma will erode the reactor wall, contaminating the plasma and rendering most known materials brittle and porous within months.

From The Wall Street Journal

Winter storms sweeping across both coasts turned holiday travel into a test of patience and exposed just how brittle the system has become.

From Salon

Extreme cold makes the most common components brittle.

From The Wall Street Journal