elu·sive 
/iˈlu:sɪv/ adjective
/iˈlu:sɪv/ adjective [more elusive; most elusive] 1 : hard to find or capture
▪ elusive creatures ▪ The solution remains elusive. ▪ The truth may prove elusive. 2 : hard to understand, define, or remember
▪ an elusive concept/idea/name
▪ elusive creatures ▪ The solution remains elusive. ▪ The truth may prove elusive.
▪ an elusive concept/idea/name
— elu·sive·ly adverb
— elu·sive·ness noun [noncount]
▪ the elusiveness of truth
▪ the elusiveness of truth
