Definition of top something up in English:

top something up

chiefly British
1Add 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
More example sentences
  • But the government only tops it up to that level if you are on a full state pension.
  • The maximum contribution each year is £3,600, which means that you pay £2,808 and the Inland Revenue tops it up by the standard tax rate of 22%.
  • Mr Warren said Carter then proceeded to help herself to the building society money, topping it up from the bank account when it ran low.
1.1Fill up a glass or other partly full container: he topped up our glasses and filled his own
More example sentences
  • He swallowed half of it immediately; sighing as it warmed his stomach, before topping the glass back up again and slowly putting the bottle away.
  • With every handshake my glass was topped up with a nip of whisky and by 1am I was feeling rather wobbly.
  • Neil Hinton, defending, said during the evening her glass had been topped up several times.
fill, refill, refresh, freshen, replenish, recharge, resupply; supplement, add to, augment
1.2Add credit to a pay-as-you-go mobile phone account.
See parent entry: top

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Word of the day nous
Pronunciation: no͞os
the mind or intellect