top up
• fill up a glass or other partly full container.
• "he topped up our glasses and filled his own"
Similar:
fill,
refill,
refresh,
freshen,
replenish,
recharge,
resupply,
supplement,
add to,
augment,
• add to a number or amount to bring it up to a certain level.
• "a 0.5 per cent bonus is offered to top up savings rates"
top-up
noun
• an additional or extra amount or payment that restores something to the level that is required.
• "they will miss out on hundreds of pounds worth of pension top-ups"
up top
• in the brain (with reference to intelligence).
• "a man with nothing much up top"
