dɜːt dɝt fɪlθ ɡɹis ɡɹiːs ɡɹis ɡɹiːs ɡɹaɪm ɡɹʌndʒ steɪn lubricate with grease grease the wheels anything regarded as making something unclean a thick fatty oil (especially one used to lubricate machinery)