Synonyms for fill out

Most common

fat · expand · flesh out · fatten · populate · round · extend · pad

Synonyms by meaning

Verb

Definitions

1. v. 1

   To complete a form or questionnaire with requested information.

   Please fill out this application if you are interested in the job.

2. v. 2

   To have one's physique expand with maturity or with surplus weight.

   He began to fill out once he started college.

3. v. 3

   Used other than figuratively or idiomatically: see fill, out.

Example sentences

• fat Between you and me, the fat ugly man is on a diet.
• expand Detours expand your knowledge of the surroundings.
• fatten Some women take medications to fatten up quickly.
• populate The queen ant lays eggs to populate the nest.
• round This fact shows that the earth goes round the sun.

By length

3 letters

fat¹, pad¹

5 letters

round¹, plump¹

6 letters

expand², extend², fatten²

8 letters

complete², populate³

The small number after each word is its number of syllables (expand² = 2 syllables).