adjective

unilateral

unilateral, one-sided

The country made a unilateral decision.

The country made a unilateral decision.

He has unilateral hearing loss.

He has unilateral hearing loss.

((...)) involving only one group or country The country made a unilateral decision.

Synonyms: one-sided, independent; Antonyms: bilateral, multilateral, mutual

From Latin 'unus' (one) + 'latus' (side). It means 'one-sided'.

'Uni-' means one, and 'lateral' relates to the side (like a lateral pass in football). So, it's a 'one-sided' action.

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