a changeable quality; "a charming Oriental fluidity of manner"; "a certain fluidness in his perception of time made him an unpredictable colleague"; "demographers try to predict social fluidity"
the property of flowing easily; "adding lead makes the alloy easier to cast because the melting point is reduced and the fluidity is increased"; "they believe that fluidity increases as the water gets warmer"
measures taken as a precaution against theft or espionage or sabotage etc.; "military security has been stepped up since the recent uprising"
a guarantee that an obligation will be met
freedom from anxiety or fear; "the watch dog gave her a feeling of security"
a department responsible for the security of the institution's property and workers; "the head of security was a former policeman"
defense against financial failure; financial independence; "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security"
a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; "he held several valuable securities"
the state of being free from danger or injury; "we support the armed services in the name of national security"
an attainment that is successful; "his success in the marathon was unexpected"; "his new play was a great success"
an event that accomplishes its intended purpose; "let's call heads a success and tails a failure"; "the election was a remarkable success for Republicans"
a state of prosperity or fame; "he is enjoying great success"; "he does not consider wealth synonymous with success"
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law; "any derogation of the common law is to be strictly construed"