only in WordNet English dictionary

1. without any others being included or involved
   "was entirely to blame"; "a school devoted entirely to the needs of problem children"; "he works for Mr. Smith exclusively"; "did it solely for money"; "the burden of proof rests on the prosecution alone"; "a privilege granted only to him"
   entirely  exclusively  solely  alone  only  entirely  exclusively  solely  alone  only 
   
2. and nothing more
   "I was merely asking"; "it is simply a matter of time"; "just a scratch"; "he was only a child"; "hopes that last but a moment"
   merely  simply  just  only  but  merely  simply  just  only  but 
   
3. with nevertheless the final result
   "He arrived only to find his wife dead"; "We won only to lose again in the next round"
   only  only 
   
4. never except when
   "call me only if your cold gets worse"
   only  only if  only when  only  only if  only when 
   
5. in the final outcome
   "These news will only make you more upset"
   only  only 
   
6. as recently as
   "I spoke to him only an hour ago"
   only  only 
   
7. except that
   "It was the same story; only this time she came out better"
   only  only 
   

1. exclusive of anyone or anything else
   "she alone believed him"; "cannot live by bread alone"; "I'll have this car and this car only"
   alone  only 
   
2. being the only one; single and isolated from others
   "the lone doctor in the entire county"; "a lonesome pine"; "an only child"; "the sole heir"; "the sole example"; "a solitary instance of cowardice"; "a solitary speck in the sky"
   lone  lonesome  only  sole  solitary