Psychic-type Pokemon are weak against Bug, Dark, and Ghost-type moves. Dark-type moves are especially useful as they are immune to Psychic moves. If you are facing Psychic-types, be sure to use Pokemon or moves of those types. Here are some examples of Pokemon that are good against Psychic-types:
- Sableye (Dark/Ghost)
- Scizor (Bug/Steel)
- Bisharp (Dark/Steel)
- Tyranitar (Dark/Rock)
- Aegislash (Ghost/Steel)
- Escavalier (Bug/Steel)
Its important to note that these weaknesses only apply to pure Psychic-type Pokemon. A secondary typing can make the weaknesses different.