From one end to the other

• throughout
• round
• over
• around

To an end or conclusion

• over

Proceeding or lying in an uninterrupted line or course

• straightforward
• straight
• direct

Having reached completion

• done
• complete

Having no further relationship

• finished
• done

No longer effective, capable, or valuable

• kaput
• washed-up
• finished
• done for
• done

Finished

• ended
• over
• completed

From one side to the other

• clear through
• through-and-through
• straight through

During

• from beginning to end
• for the period of
• throughout

By means of

• by-dint-of
• through the medium of
• at-the-hand-of
• by the agency of
• for
• in consequence of
• in-virtue-of
• by reason of
• by-way-of
• b-y

Referring to continuous passage

• one-way
• rapid
• opened
• unbroken
• unhindered
• free
• nonstop