Base verb
Phrasal verbs with fill
The verb fill combines with 3 particles to form everyday phrasal verbs. Each particle steers the meaning in its own direction — here they are with clear definitions and examples, so you can see the whole family at once.
3 phrasal verbs · 8 meanings
fill in
4 senses- Write information into the blanks of a form
- Temporarily do someone else's job
- Tell someone the news or details they missed
fill out
3 senses- Complete a form by writing in the required information
- Become rounder or more developed in shape
- Add details to make something more complete
fill up
1 sense- Make completely full
Sink In — iOS & Android
Practice the fill family in Sink In
Drill every sense of fill with spaced repetition — recognition, particle cloze, and meaning recall — so the whole family sticks instead of blurring together.
- Learn the pattern behind dozens of verbs at once — not one-off translations.
- Spaced repetition (SM-2) brings each meaning back right before you forget.
- Four practice modes train recall and discrimination, not just recognition.
1,300+ phrasal verbs26 particle patternsBuilt for B1–C2
