Did you know?

Click any word in a definition or example to find the entry for that word

lock in on

 - definition

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

phrasal verb [transitive]
Word Forms
present tense
I/you/we/theylock in on
he/she/itlocks in on
present participlelocking in on
past tenselocked in on
past participlelocked in on

Related dictionary definitions

  1. same as lock onto

    They had locked in on the target.

See also main entry: lock

Open Dictionary

selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog