- fasten upon
- phrasal verb
fasten on or fasten onto or fasten upon
[transitive]
Word forms "fasten on":
present tense I/you/we/they fasten on he/she/it fastens on present participle fastening on past tense fastened on past participle fastened on1) fasten onto or fasten upon if your eyes fasten on someone or something, you start to look at them very carefully or for a long timefasten your eyes/gaze on someone/something:Seven pairs of eyes fastened on him at this news.
His gaze was fastened on his daughter.
2) fasten onto or fasten upon if your attention fastens on someone or something, you start to pay close attention to themfasten your attention/mind on someone/something:My mind fastened on this new and terrible thing that was happening.
I fastened my attention on the noise in the distance.
3) fasten onto or fasten uponfasten on something to accept and start to use an idea or suggestion very quickly and with enthusiasmIt was a brilliant idea, and I fastened on it immediately.
4) fasten onto or fasten uponfasten on someone to keep following or talking to someone and not let them go
English dictionary. 2014.