Solution

PRIMARY

3 clues

Chief

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles

Other solutions to Chief

First

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Numbers - Quantity - Units - Size

Other solutions to First

Main

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles

Other solutions to Main

Words are categorized by artificial intelligence: there can be mistakes.