fill

/fɪl/4 phrasal verbs

The plain verb means to make full.

The pair to get right is fill out and fill in. In American English, fill out is the default for completing a whole document, and fill in suits a single blank or a gap in knowledge. British English prefers fill in for both.

Fill in for is different again — to substitute for an absent person.

Side by side

Every FILL phrasal verb, with the one line that keeps it apart from its siblings. Tap any one to open it.

Phrasal verb	Means	How to remember it
fill outSeparable	complete a form or document	OUT = the American default for a whole document.
fill inSeparable2 meanings	complete a blank; give someone missing information	IN = into the gap.
fill upSeparable	fill completely, especially a fuel tank	UP = to the brim.
fill in forInseparable	temporarily do someone else's job	FOR names the person you replace.

Phrasal verbs with FILL — what each one means