Solution

DEFYING

3 clues

Challenging

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

Other solutions to Challenging

Resisting

Word class: Verb
Nature of clue: Synonym
Difficulty: Medium
Sources: Boatload Puzzles

Other solutions to Resisting

Standing up to

Word class: Verb
Nature of clue: Synonym
Difficulty: Medium
Sources: Boatload Puzzles

Other solutions to Standing up to

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