lengthen up
C1 neutral separable both
In simple words
To get taller or to make something longer by going upward.
Literal meaning: To extend in an upward direction.
Meanings
1 C1 neutral
To grow or extend in an upward direction, used of plants, structures, or shadows.
"The young saplings lengthened up quickly in the first spring sunshine."
Grammar: inseparable
Usage notes
Less common than 'lengthen out'. Used to describe plants growing taller, shadows elongating upward, or garments being altered to be taller at the top. Rare in everyday speech.
Commonly used with
plant stem shadow garment structure
Forms
Base
lengthen up
I/you/we/they
3rd person
lengthens up
he/she/it
Past simple
lengthened up
yesterday
Past participle
lengthened up
have + pp
-ing form
lengthening up
continuous
Understand "lengthen up" better
Try:
Real video examples
Video examples are being collected. Check back soon.
Synonyms
Want to master this phrasal verb?
Practice "lengthen up" on Looplines