Solution

SLOGGED

4 clues

Plodded

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

Other solutions to Plodded

Toiled

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

Other solutions to Toiled

Trudged

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

Other solutions to Trudged

Worked hard

Word class: Verb
Nature of clue: Description
Difficulty: Very easy
Sources: Boatload Puzzles

Other solutions to Worked hard

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