Types of Crowd Control

Here is a summary of the types of Crowd Control. denotes that the action is bloc​ked

Please note the following:
 * Movement includes abilities and summoner spells (such as  and ).
 * For example, while airborne you can cast all summoner spells except Flash and Teleport.
 * Ability refers to a champion's kit (by default Q, W, E and R).
 * Spell refers to the Summoner Spells.
 * Suppression cannot be removed by the summoner spell.
 * Slow, though a form of crowd control, doesn't actively block anything.

Airborne

 * The target is unable to control movement, attack or cast abilities.
 * The target remains targetable and affected by area of effect damage, despite the visuals.
 * The duration of the effect is related to how long the target is in the air. A common bug where a target who is dashing is made airborne causes them to be knocked "into orbit". The duration is largely extended due to the increased distance the target has to fall.
 * Interrupts the channeling of abilities.
 * The duration is unaffected by crowd control reduction.
 * The effect cannot be removed by any means.

Knockback

 * The target is made airborne in a direction away from the point of cast.
 * Interrupts the channeling of abilities.
 * Champions with Knockback:, , , , , , ,, , , , , , , ,

Knockup

 * The target is made airborne on the spot.
 * Champions with Knockup:, , , , , , , , , , ,

Pull/Fling

 * The target is made airborne in a direction toward the point of cast.
 * The effect can also pull the target beyond the point of cast, also known as a Fling or Throw.
 * Champions with Pull:, , , , ,

Blind

 * The target will miss auto-attacks, incurring the message "Miss" above their attack target.
 * Blind only mitigates the physical damage portion of an attack, including physical damage sourced from a physical on-hit effect. Other damage types and effects won't miss. See: On-hit effects.
 * Abilites that apply on-hit effects will also miss.
 * Blind is considered a form of damage mitigation. As such, it is applied after 's passive.
 * Does not interrupt channeling.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Blind: ,

Entangle

 * The target is unable to control movement or attack.
 * This includes abilities and summoner spells that move the champion.
 * This will not prevent delayed teleports that have already begun channeling, such as . The target will arrive snared, if the duration permits.
 * Does not interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Entangle:

Forced Action

 * ​The target is unable to control movement, attack or cast abilities.
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.

Charm

 * The target will attempt to move toward the source for the duration. If the source cannot be seen, a charmed unit will instead stand still.
 * If the target does not have vision of the source, they will simply stand in place.
 * If the source dies, the effect ends.
 * Champions with Charm: 

Fear

 * The target will walk in random directions with reduced movement speed for the duration.
 * Champions with Fear:, , , ,

Flee

 * The target will run directly away from the source.
 * More information pending release.
 * Champions with Flee:

Taunt

 * The target will attempt to attack the source of the taunt for the duration.
 * If the target does not have vision of the source, they will simply stand in place.
 * If you cannot attack your target (such as ), the target will simply stand in place.
 * If the source dies, the effect ends.
 * Champions with Taunt: , ,

Polymorph

 * ​The target is unable to attack or cast abilities and is slowed for the duration.
 * This is distinct from Blind as the target cannot attack at all: as such, on-hit effects are never used/wasted.
 * also transforms the target into a small critter (reducing their size).
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Polymorph: 

Silence

 * The target is unable to cast abilities but able to cast summoner spells (excluding and ).
 * Interrupts the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with silence:, , , , , , , , ,

Slow

 * The target has reduced movement speed.
 * Does not interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with slow:, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Snare

 * The target is unable to control movement.
 * This includes abilities and summoner spells that move the champion.
 * This will not prevent delayed teleports that have already begun channeling, such as . The target will arrive snared, if the duration permits.
 * Unconfirmed Bug: is disrupted and put on a reduced cooldown.
 * Does not interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Snare:, , , , , , , , , ,

Stun

 * The target is unable to control movement, attack or cast abilities.
 * Will interrupt the channeling of abilities.
 * The duration is affected by crowd control reduction.
 * The effect can be removed by all cleansing effects.
 * Champions with Stun:, , , , , , , , , , , , , , , , , , , , , , , , , , ,

Suppression

 * The target is unable to control movement, attack, cast abilities or summoner spells (including cleanse).
 * Will interrupt channeled abilities.
 * The duration is not affected by crowd control reduction.
 * The effect can be removed by all cleansing effects, except (since Suppression prevents summoner spell use).
 * Champions with Suppression: ,, ,