Sneaked is the past tense of sneak when the verb is treated like a regular verb. Snuck is the past tense of sneak when the verb is treated like an irregular verb. Some people frown upon snuck, so if you're in doubt about which form to use, sneaked is always the safer option.

What is the correct past tense of sneak?

The original past tense of sneak was sneaked, following the pattern of other regular verbs. ... It's a modern English mystery: not so very long ago, a new past tense form of a fairly common verb snuck – or is it sneaked? – into the English language.

Is snuck English or American?

Snuck as the past tense form of the verb 'sneak' is considered to be a real word chiefly used in North American English.