Solution

VIBRATE

2 clues

Quiver

Word class: Verb
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Maths Physics, Sounds - Hearing

Other solutions to Quiver

Tremble

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

Other solutions to Tremble

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