1. Not having a secure reputation
   "short stories by unrecognised writers"
   - unrecognized 
2. Not recognized
   "he was unrecognised in his disguise"
   - unrecognized

See also: unacknowledged, unestablished

• spring scale
• spring squill
• spring to mind
• spring training
• spring up
• spring vetch
• spring vetchling
• spring water
• spring-blooming
• spring-clean
• spring-cleaning
• spring-flowering
• spring-loaded
• springboard
• springbok
• springbuck
• springe
• springer
• springer spaniel
• Springfield
• springiness
• springing cow
• springless
• springlike
• springtail