for fear of

for fear of

1. (idiomatic) In order to attempt to prevent the risk of (a particular incident or event occurring).
   • 1960 March, “Motive Power Miscellany: Western Region”, in Trains Illustrated, page 184:

     [...] but in the damp conditions prevailing the driver sensibly was unwilling to attempt the climb up through Combe Down tunnel without help, for fear of slipping to a standstill in the unventilated bore, [...].

   • 1963, Margery Allingham, chapter 18, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:

     ‘Then the father has a great fight with his terrible conscience,’ said Munday with granite seriousness. ‘Should he make a row with the police […]? Or should he say nothing about it and condone brutality for fear of appearing in the newspapers?’

• for fear that

• “for fear of”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.