chieflychief‧ly /ˈtʃiːfli/ ●○○ adverb 
Examples
The work consists chiefly of interviewing the public. I lived abroad for years, chiefly in Italy.
ExamplesEXAMPLES FROM OTHER DICTIONARIES
Thesaurus- Before 1849, travel was done chiefly on horseback.
- Real estate prices have been falling, chiefly because of the lack of jobs in the area.
- A chest radiograph showed non-systematic disseminated infiltrates, chiefly in the two lower lobes.
- Bethesda disposed of Beaumaris by five wickets with 10 overs left thanks chiefly to a fighting 60 by Bryn Butler.
- Here the building was chiefly of wood, retaining the national craft styles already established.
- It was chiefly in articles for the Spectator between 1711 and 1714 that his criticism appeared.
- The interest was again chiefly rhythmic and required the most meticulous playing by all sections in the orchestra.
- The obstinate refusal of many males to support gun control is not chiefly a product of conditioning by the weapons industry.
- They knew differences chiefly among Protestant sects.
Longman Language Activatorways of stating the main reason for something or the main part of something► mainly
Collocations use this to say what the main reason for something or the main part of something is: · I was asked to lead the meeting mainly because Kristin is out of town.· My new job's fairly boring - it's mainly typing.· The company sells its batteries mainly through electronics stores.
► largely/chiefly largely and chiefly mean the same as mainly , but they are used especially in written or formal English: · The bird lives chiefly on mice and other small animals.· The report says that drug use is largely responsible for the 40% rise in the city's homicide rate.· Money raised by the new tax is to be used chiefly for road construction.
► primarily/principally firstly and most importantly: · Foreign aid is intended principally for the south of the region.· The agency is primarily concerned with making sure the nation's food supplies are safe.· She has a degree in anthropology, but she's primarily a writer.
► above all most importantly compared to other things, especially ones you have just mentioned: · Above all, she will be remembered for all the work she did in the community.· Teaching history means above all knowing how to tell a story.
► first and foremost use this to say that something is the most important thing, and needs to be dealt with before anything else and given attention before anything else: · First and foremost, they are looking for ways to save money.· What children need first and foremost from their parents is a sense of security.
COLLOCATIONS FROM THE CORPUSADJECTIVE► concerned
mostly but not completely SYN mainly: · In 1240 Edward succeeded his father as keeper of the king's works at Westminster, which then chiefly concerned the palace.· The contemplatives, however, with whom Scale 2 is chiefly concerned, go further into reformation in feeling.· These principles chiefly concerned broadcasting organization, and the organization, of course, was designed to achieve complementary public service goals.· Some teachers were chiefly concerned to chart the acquisition of underlying skills, but many were satisfied with checklists of tasks completed.
VERB► associate· They are chiefly associated with his distinctive emphases on historical revelation and on the ethical rather than mystical nature of religion.· He found no society in which authority was associated chiefly with women in male-female relations.
► concern· During that period I was chiefly concerned with the question of how to structure the narrative.
The work consists chiefly of interviewing the public. I lived abroad for years, chiefly in Italy.