what is the meaning of sneak
sneak verb [always + adv/prep]. âº to go or do something secretly, or take someone or something âsomewhere secretly: [I always + adv/prep] He sneaked out of the âhouse, going out through the back way. [T] I sneaked a âlook at my âwatch. [T] Make âsure you sneak a little âbit of âprotein into âyour âsnacks.