Definify.com
Webster 1913 Edition
Mishappen
Mis-hap′pen
,Verb.
 I.
 To happen ill or unluckily. 
Spenser.
 Webster 1828 Edition
Mishappen
MISHAP'PEN
,Verb.
I.
  Definition 2025
mishappen
mishappen
English
Verb
mishappen (third-person singular simple present mishappens, present participle mishappening, simple past and past participle mishappened)
- (obsolete) To encounter grief or misfortune.
 -  (now  rare) To happen through misfortune.
-  1590, Edmund Spenser, The Faerie Queene, I.iii:
- His fearefull friends weare out the wofull night, / Ne dare to weepe, nor seeme to vnderstand / The heauie hap, which on them is alight, / Affraid, least to themselues the like mishappen might.
 
 
 -  1590, Edmund Spenser, The Faerie Queene, I.iii:
 - (intransitive) To happen ill; fare ill.