sneak up (English, verb)
expansion: sneak up (third-person singular simple present sneaks up, present participle sneaking up, simple past and past participle sneaked up or (chiefly US, informal) snuck up)
Senses:
glosses: To approach a person or animal without being seen or heard
glosses: To deliver a sudden effect, often unexpectedly and without warning.
Forms:
form: sneaks up
tags: present
singular
third-person
form: sneaking up
tags: participle
present
form: sneaked up
tags: participle
past
form: sneaked up
tags: past
form: snuck up
tags: US
informal
participle
past
form: snuck up
tags: US
informal
past
form: sneak up on
tags: alternative