* Verb: This is the most common use. It means to hit something forcefully.
* Example: "The baseball player struck the ball."
* Noun: This refers to a work stoppage by employees.
* Example: "The factory workers are on strike."
* Noun: This refers to a sudden attack or blow.
* Example: "The enemy launched a surprise strike."
* Noun: This can refer to a successful hit in bowling or other sports.
* Example: "He bowled a strike!"
So, without context, it's impossible to definitively say which part of speech "strike" is. You need to look at the sentence it's used in to determine its role.