unsolved
adjective
uk/ˌʌnˈsɒlvd/us/ˌʌnˈsɑːlvd/C1
that has not beensolved:
未解决的;未破解的an unsolvedmystery未解之谜
Compare
unresolvedformal
Complicated and difficult to do
- advanced
- ambitious
- ambitiously
- another
- arduous
- fierce
- formidable
- formidably
- get blood out of/from a stoneidiom
- grail
- obstinately
- onerous
- overdemanding
- painstaking
- picnic
- tricky
- tuff
- ultra-sensitive
- unresolved
- unwieldy