Solution

LARGE

4 clues

Big

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

Huge

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

Other solutions to Huge

Shirt size

Word class: Common adjective
Nature of clue: Use case
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Fashion

Sweater size

Word class: Common adjective
Nature of clue: Use case
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Fashion

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