B2[T]to discover, see, or realize something, especially someone doing something wrong: [+ -ing verb]He caught her reading his old love letters.If the virus is caught (= discovered) in time, most patients can be successfully treated.I caught sight of/caught a glimpse of(= saw for a moment) a red coat in the crowd.Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptivecatch sb's attention, imagination, interest, etc.B2to make someone notice something and feel interested: A ship out at sea caught his attention.Her pictures caught my imagination.Attracting and temptingAttractiveSexual attractionbe caught without sth›to not have something, especially when it is needed: He doesn't like to be caught without any biscuits in the house.Lacking thingsScarce, inadequate and not enoughEssential or necessaryyou won't catch sb doing sth›said to mean that you will certainly not see someone doing a particular thing or in a particular place: You won't catch me at work after four o'clock.You won't catch Carla eating in a cheap restaurant, oh no.Impossible and improbable
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