Oxford Dictionary English let in for phrasal verbphrasal verb Add to my wordlistjump to other resultsPhrasal Verbslet somebody/yourself in for something Add to my wordlistjump to other results(informal) to involve somebody/yourself in something that is likely to be unpleasant or difficult I volunteered to help, and then I thought ‘Oh no, what have I let myself in for!’ oxfordlearnersdictionaries.com