become
UK /bɪˈkʌm/ US /bɪˈkʌm/ Syllables: be-come
Quick answer
To start to be something, or to change into something.
To become is to start to be something, or to change into something. A caterpillar becomes a butterfly, a student becomes a teacher and a cold day can become a warm one. You can become tired, famous or friends. The past tense is became, and the past participle is become. The word is also used in a polite way, as in what has become of him? to ask what happened. Become can also mean to look good on someone: that color becomes you.
"She worked hard to become a doctor."Meanings
- To start to be something.
- To change into something.
- To suit, or to look good on someone.
Example sentences
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"The little tadpole will become a frog."
Level A2, Meaning 2
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"She wants to become a doctor."
Level A2, Meaning 1
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"The weather became colder at night."
Level A2, Meaning 1
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"That blue dress becomes you."
Level C1, Meaning 3
Synonyms and antonyms
Synonyms
Look-alikes and common mistakes
- turn into : Turn into is the informal way to say become, often for a change in form.
- get : Get is the casual word, as in get tired. Become is more formal.
Word family and forms
Forms: becomes, became, becoming
Word partners
Words and phrases that often go with "become".
- become a teacher
- become famous
- become friends
- become clear
- become aware of
- what has become of
Idioms and phrases
- become of
- To happen to someone, especially when you do not know where they are.
- "Whatever became of your old friend?"
Origin
Become comes from Old English becuman, which meant to come about or to happen. It is built from be- and come, and it is the same in Dutch bekomen and German bekommen. English has had the word since before the year 900.
Checked against: Wiktionary, the free dictionary, Dictionary.com.
How to remember it
Become is be plus come. To become is to come to be something new.
Test yourself
Which word fits the gap? "The little tadpole will _____ a frog."
Answer: become
In your own words, what does "become" mean?
To start to be something, or to change into something.
Learn next at A1
- bed A piece of furniture that people sleep on.
- bedroom A room used mainly for sleeping.
- bee A small flying insect that makes honey and can sting.
- beehive A structure, natural or built, where bees live and produce honey.
- been The past participle of "be".
- beetle An insect with a hard, shell-like pair of outer wings covering its bod...
Sources and credits
- Wiktionary, the free dictionary (CC BY-SA 4.0) · used for the origin · checked Oct 19, 2026
- Dictionary.com · used for the origin · checked Oct 19, 2026
Last reviewed October 20, 2026. Report a mistake on this page