索 - cord, rope, searching

speculation; thinking; meditation

search (esp. for someone or something missing); manhunt

search criteria

index (in a book)

looking up (e.g. a word in a dictionary); search (e.g. on the Internet); retrieval (of information); reference

groping (for); fumbling around (for); searching (for an answer, solution, etc.); trying to find

search; lookup; hunt; (item of) research; exploration; investigation

search term; search word

groping in the dark; exploring new avenues without having any clues

search tool

dreary; bleak; desolate

searcher; person using a search engine