latch on to (someone or something)

latch on to (someone or something)

1. To fasten, attach, or hold tightly on to someone or something. Be careful around that animal—if it latches on to you with its teeth, it won't let go. My son latched on to my arm when the movie became too intense for him.
2. To fasten or attach something to someone or something. In this usage, a noun or pronoun can be used between "latch" and "on." I just need to latch the trailer on to the back of the truck, and we'll be ready to go. Once you latch the power coupling on to the radio, we should be able to communicate to the control tower.
3. To begin to comprehend, understand, or make sense of something. Once he latched on to the instructions in the manual, he was able to complete the repair. He's explained it twice already, but I'm still having trouble latching on to what he means.
4. To become fixated on or accepting of some idea, notion, or belief. I don't know why he's latched on to this idea of moving to Canada, but he seems dead set on it now. I'll try to get the rest of the board members to latch on to your plan if you can show some more data to back it up.
5. To become closely involved or associated with a group or activity. I'm so happy to see Mary latching on to track and field like she has. Tom's really latched on to the local rowing club.
6. To remain persistently or desperately in someone else's company. My annoying little brother always latches on to me and my friends whenever we're hanging out together. This guy I met during our college orientation latched on to me for the rest of the day.
See also: latch, on, to
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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