acquired immune deficiency syndrome: a serious disease that destroys the body’s immune system (=its ability to defend itself against infection) and usually causes death. AIDS is passed from one person to another through body fluids (=liquids), especially blood and semen. People first become HIV-positive and then develop full-blown AIDS
an AIDS test
Synonyms and related words
Specific diseases
AIDS
amoebic dysentery
avian flu
AIDS
noun uncountable
US /eɪdz/
Other entries for this word
aidnoun
aidverb
Band-Aid
visual aidnoun
DEFINITIONS1
1
acquired immune deficiency syndrome: a serious disease that destroys the body’s immune system (=its ability to defend itself against infection) and usually causes death. AIDS is passed from one person to another through body fluids (=liquids), especially blood and semen. People first become HIV-positive and then develop full-blown AIDS