latch on

B2 informal inseparable intransitive

In simple words

To grab onto something or someone and not let go; or to suddenly understand something.

Literal meaning: A latch is a fastening device that hooks onto something; 'latching on' pictures this hook clicking into place.

Meanings

1 B2 idiomatic informal

common

To become attached to a person, group, or idea and follow them closely, sometimes unwantedly.

"A group of younger players latched on to the experienced midfielder and followed him everywhere."

Grammar: inseparable

2 B2 idiomatic informal

common

To suddenly understand something or become aware of what is happening.

"It took a moment, but she latched on as soon as he mentioned the date."

Grammar: inseparable

3 B2 neutral

common

(Of a baby) to attach to the breast when feeding.

"The midwife helped the newborn latch on correctly."

Grammar: inseparable

Usage notes

Common in British and American English. The 'understand' sense often appears as 'latch on to' with a direct object. The 'attach' sense can describe people or babies (latching on during breastfeeding). Both senses are widely used.

Commonly used with

idea concept person group trend baby

Forms

Base

latch on

I/you/we/they

3rd person

latches on

he/she/it

Past simple

latched on

yesterday

Past participle

latched on

have + pp

-ing form

latching on

continuous

Understand "latch on" better

Try:

Real video examples

Video examples are being collected. Check back soon.

Synonyms

catch on cotton on grab onto cling to attach to pick up on

Want to master this phrasal verb?

Practice "latch on" on Looplines