Definition of unilateral in English:



  • 1(of an action or decision) performed by or affecting only one person, group, or country involved in a situation, without the agreement of another or the others.

    ‘unilateral nuclear disarmament’
    • ‘Sometimes, the team makes unilateral decisions and then expects the designers to adapt.’
    • ‘The junior doctor who wrote the note had taken a unilateral decision to let the 67-year-old cancer sufferer die.’
    • ‘Whatever the merits of unilateral nuclear disarmament, women were a lot braver a quarter of a century ago.’
    • ‘The unilateral defection of some localities altered the incentives of other localities.’
    • ‘In Russia, some experts think that it is a unilateral disarmament of Russia.’
    • ‘Divorce can be by mutual consent or at the initiative of the wife and by the unilateral decision of the husband.’
    • ‘Our interests are best protected not by unilateral action but by multilateral agreement and a world order governed by rules.’
    • ‘Such a unilateral decision can create problems elsewhere and should be resolved soon.’
    • ‘It's a bit of a unilateral decision on my part, but I'm sure the director will be on my side.’
    • ‘We have to remember that it is the Government's unilateral process that holds up settlements.’
    • ‘Well, that's a unilateral decision as to how the Geneva Conventions are going to be interpreted.’
    • ‘There was no unilateral agreement saying that the G8 countries need to change their trade policies.’
    • ‘I think my answer to this has always been that that's not a unilateral decision.’
    • ‘Men were rarely mentioned as making unilateral decisions in these two areas.’
    • ‘Workers on both the admin and examining side of the department were angry about this unilateral decision without consultation.’
    • ‘It seems that unilateral nuclear disarmament is back on the agenda!’
    • ‘He weaned the party away from unilateral nuclear disarmament and outright opposition to the EU.’
    • ‘In the present situation, unilateral gestures can also do their vital bit in making the climate conducive for talks.’
    • ‘I did not take a unilateral decision, and all these people turned out to be rather good at their jobs.’
    • ‘Daniels' order made all of this subject to unilateral decision by state bureaucrats.’
  • 2Relating to or affecting only one side of an organ, the body, or another structure.

    ‘unilateral cerebral lesions’
    • ‘The failures in the control group were all from subjects with unilateral ankle sprains.’
    • ‘Bilateral bone marrow biopsies and a unilateral bone marrow aspiration were performed.’
    • ‘This item is aimed at examining the patient for evidence of a unilateral cerebellar lesion.’
    • ‘Females are affected more often than males, and this deformity can be unilateral or bilateral.’
    • ‘Examine his nose for any obstruction, such as polyps or septal deviation, and whether unilateral or bilateral.’
    • ‘Most of the tumors were unilateral involving the right side slightly more often than the left.’
    • ‘The headache may be generalized, but it is more commonly unilateral and localized to the temporal area.’
    • ‘Currently, most prophylactic knee braces use unilateral or bilateral bars with hinges.’
    • ‘Other causes of unilateral or bilateral parotitis warrant consideration however.’
    • ‘Clinical features include unilateral throbbing headache, facial pain, and claudication of the jaw when eating.’
    • ‘During her inpatient stay, this woman developed a painful, unilateral erythematous rash in a butterfly distribution.’
    • ‘Pneumoparotid usually presents as a unilateral or bilateral facial swelling over the parotid region.’
    • ‘It usually is more marked on one side of the body than the other and may be completely unilateral.’
    • ‘The pathophysiology of unilateral renal artery stenosis provides a clear example of how hypertension develops.’
    • ‘Our patient had unilateral tinnitus and sensorineural hearing loss prompting investigation.’
    • ‘We do not know how many of the women in our study with hysterectomy had a concurrent unilateral or bilateral oophorectomy.’
    • ‘Medical opinion on the effects of unilateral cryptorchidism has changed.’
    • ‘When a patient presents with a large unilateral symptomatic pleural effusion many doctors will feel tempted to insert a chest drain.’
    • ‘Total lung capacity is virtually unchanged in patients with unilateral paralysis.’
    • ‘Temporal bone fractures can cause unilateral sensorineural and conductive hearing loss.’