dis ‧ in ‧ for ‧ ma ‧ tion /ˌdɪsɪnfəˈmeɪʃ ə n $ -fər-/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ informant , ↑ information , ↑ informer , ↑ misinformation , ↑ disinformation ; verb : ↑ inform , ↑ misinform ; adjective : ↑ informative ≠ UNINFORMATIVE , ↑ informed ≠ ↑ uninformed ; adverb : ↑ informatively ]
false information which is given deliberately in order to hide the truth or confuse people, especially in political situations ⇨ misinformation :
government disinformation about the effects of nuclear testing