Antonym formation can also occur through prefixes
-des, – dis
bloquear – desbloquear (block – unblock)
mejorado – desmejorado (improved – worsened)
enlace – desenlace (link – denouement)
conectado – desconectado (connected – disconnected)
equilibrio – desequilibrio (balance – imbalance)
agradable – desagradable (pleasant – unpleasant)
alojar – dealojar (accommodate – evict)
gusto – disgusto (pleasure – displeasure), etc.
or through a word – antonym that does not share the same root as the given word
bueno – malo (good – bad)
hermoso – feo (beautiful – ugly)
ancho – estrecho (wide – narrow)
alto – bajo (tall – short)
mojado – seco (wet – dry)