i Register
In some senses, mostly is marked as obsolete. Watch for register when choosing this word.
ADJ.
done, good, high, junior, polite, used, young
The work was mostly done by the time I arrived at the office.
VERB + MOSTLY
board, book, cast, consist, consists, depends, store, work
The success of the project depends mostly on having experienced team members.
MOSTLY + NOUN
adolescents, americans, businessmen, carbon, clay, effort, fruit, girls
The old pottery was made mostly from clay found near the river.
PREP.
about, on, on, with
The team disagreed mostly on how to approach the new project deadline.
ADV.
away, sometimes
We stayed home mostly, but sometimes we went out for dinner on weekends.