flying types weaknesses are rock type and electric type.
Fire, fighting, ground.
Ice types, Rock types.
The weakness of electric type Pokemon is ground type Pokemon.
Bastidon is both Rock and Steel type. Both Rock and Steel types are weak against Ground and Fighting. Either will have a x4 type advantage over Bastidon.
water and probably grass types
Electric
Cynthia's Pokemon: Spiritomb Lv. 61- Always sent out first because it has embargo. Weakness: Fire Garchomp Lv. 66 Weakness: Water, Dragon, Steel. Milotic Lv. 63- Only time you'll ever see one! Weakness: Grass Gastrodon Lv. 61 Weakness: Grass Roserade Lv. 62 Weakness: Fire Lucario Lv. 63 Weakness: Water, Fight. So basicly you need a water, fire, and a grass type to beat Cynthia.
Fire, fighting, rock and steel.
Ice, fighting, bug, and steel.
Fairy type Pokemon are weak to Poison and Steel type Pokemon.
His weaknesses are water, grass, fighting, ground and steel
You may have to reword that question. But I will answer this question assuming that you mean "What are steel type's weakness in Pokemon?". Fire, fighting, and ground.
Rock type Pokemon are weak against Water, Steel, Grass and Fighting.
Fairy-type Pokemon are weak against Steel and Poison-type attacks.
Electric, fire, steel, rock and poison.
Metagross is a Steel/Psychic type, therefore it is weak to...GroundFire
Forretress is a Steel and Bug type pokemon.
Fire-, rock-, fighting-, and steel-type moves are all super-effective against a pokemon that is only ice-type.
fighting type pokemons weakness are psychic and flying moves steel is weak aageinst water fire fighting and ground