ENGLISH
REFERENCE

chiefly

adv. degree
B2 Upper Intermediate US //ˈtʃifɫi// UK //tʃˈiːfli// chiefly

adv. mostly or mainly, but not completely. You use it to show that something is the biggest part of a group, but there are other parts too.

adv. primarily; for the most part. Indicates that the subject or action applies to the majority of cases, while acknowledging exceptions.


SIMPLE

The team is chiefly made up of students.

CONTEXTUAL

The report focuses chiefly on the economic impact of the new policy.

COMPLEX

The region's economy is chiefly dependent on tourism, though small-scale agriculture provides a vital safety net during off-season months.

Synonyms
Etymology 1

From Middle English chefly; equivalent to chief + -ly (adverbial suffix).

Etymology 2

From chief + -ly (adjectival suffix). Piecewise doublet of chefly and headly.

Usage

Typically placed before the adjective or verb it modifies.

© 2026 English Reference