thro
Preposition (archaic or poetic variant of "through"):
- From one side to the other: Indicating movement in one side and out the other side of something.
- During the entire period: Indicating continuation from beginning to end of a time or event.
- By means of: Indicating the agent, cause, or medium.
Adverb (archaic or poetic variant of "through"):
- From beginning to end: Completely or entirely.
- To the end: Indicating completion.
Adjective (archaic or poetic variant of "through"):
- Direct: Indicating a continuous route without interruption.
Preposition:
- He walked thro the forest to reach the village. (Movement from one side of the forest to the other.)
- She worked thro the night to finish her project. (During the entire night.)
- Victory came thro great effort. (By means of great effort.)
Adverb:
- The letter was read thro in silence. (Read from beginning to end.)
- He saw the plan thro to completion. (To the end.)
Adjective:
- A thro train runs directly from London to Edinburgh. (A direct train without changes.)
"thro and thro": Completely; entirely.
- The meat was cooked thro and thro. (Cooked through to the centre.)
"to be thro with": (informal) To be finished with something or someone.
- I am thro with this job — I quit. (I am finished with this job.)
Through (standard spelling): The common modern form of "thro".
- She drove through the tunnel. (Movement from one end to the other.)
Thru (variant spelling): An informal, nonstandard spelling of "through", often used in road signs (e.g., "thru traffic").
- The sign said "No thru road." (No direct passage.)
- Via: by way of (used for movement).
- During: throughout the duration of (used for time).
- By: indicating the agent or means (used for cause).
Go thro hell and high water: To endure extreme difficulties.
- She went thro hell and high water to get her degree. (Endured many hardships.)
Thro thick and thin: Under all circumstances, no matter how difficult.
- He stood by her thro thick and thin. (Supported her through good and bad times.)
"Thro" is an archaic or poetic contraction of "through". It is rarely used in modern formal writing except in poetry, historical texts, or informal contexts (e.g., signs like "drive-thro"). The standard spelling "through" is preferred in academic and professional English.