above – below absence – presence abundance – lack accept – refuse accidental – intentional active – lazy add – subtract admit – deny adult – child advanced – elementary affirmative – negative afraid – brave after – before against – for alike – different alive – dead all – none allow – forbid already – not yet always – never ancient – modern ancestor – descendant agree – refuse amateur – professional amuse – bore ancestor – descendant angel – devil animal – human annoy – satisfy answer – ask answer – question antonym – synonym apart – together approximately – exactly argue – agree arrest – free arrival – departure arrive – depart artificial – natural ascent – descent ask – answer asleep – awake attack – defence attic – cellar autumn – spring awake – asleep awful – nice back – in front of background – foreground backward – forward bad – good bad luck – fortune beauty – ugliness before – after begin – end beginning – end behind ...