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asymmetric

ay-si-MET-rik /ˌeɪsɪˈmɛtrɪk/

adjectiveC1GRESAT

formalneutral

Having parts that do not correspond to one another in size, shape, or arrangement; lacking symmetry. In warfare, referring to conflict between belligerents whose relative military power differs significantly, or whose strategy or tactics differ significantly.

In a military context, it specifically refers to a conflict where opposing sides have vastly different resources, strategies, or capabilities, often leading the weaker side to employ unconventional tactics.

The story behind the word. The word 'asymmetric' comes from the Greek prefix 'a-' meaning 'not' or 'without,' combined with 'symmetria,' meaning 'symmetry' or 'proportion.' So, literally, it means 'without symmetry.' While it has applications in mathematics and art, its use in warfare to describe conflicts where the opposing sides are fundamentally unequal in resources or tactics is a more recent, yet powerful, extension of this core meaning.

Word relationships

unbalanced: General term for lack of balance; 'asymmetric' is more specific to structural or strategic differences.
unequal: General term for not being equal; 'asymmetric' implies a lack of correspondence in form or method.

symmetric: Having corresponding parts that are equal or balanced.
balanced: In a state where different elements are equal or in the correct proportions.

Commonly confused with

uneven: Uneven can mean not smooth or not level; asymmetric refers to a lack of correspondence in form or strategy.

Word family

asymmetry (noun): The lack of symmetry or equality between parts.

Collocations

asymmetric warfare
asymmetric threat
asymmetric advantage

Example sentences

"Modern conflicts are increasingly characterized by asymmetric warfare, where technologically advanced armies face highly adaptable, non-state adversaries." Describing modern military challenges.
"The rebels adopted an asymmetric strategy, relying on ambushes and improvised explosive devices rather than direct confrontation." In a discussion about military strategy.

Memory hook

Think 'A-SYMMETRY' – it's about things that are NOT symmetrical or balanced, especially in conflict. A-symmetry = no balance

When not to use

Do not use 'asymmetric' as a direct synonym for 'unequal' if the inequality is not structural or strategic in nature. It implies a fundamental difference in approach or capability, not just a temporary imbalance.