Times, 26,178.

[red46]

2d, 8lets, R?a?????, Re-equip army heading off last.
3d, 3words, 3.3.4. T?e ??? ???t, to acquire a granny, perhaps, or in-laws?
7d, 6lets, ?I?i?d, Felt for cord amid rising depression.
12a, 4lets, ????, They say some deer get little sleep.
16d, 8lets, ??p?c?e?, Left, maybe, taken apart.
21d, 6lets, R?n?i?, Clubs invested in currency that's rising high.

[Captain2]

3d Tie the knot

[ubasses]

3 tie the knot

[bookbinder]

12 does

[Calibax]

3d Tie the Knot

[scorpiojo]

Rearmost
Tie the knot
Pitied
Doze (does)
Unpicked
Rancid

[Captain2]

21d Ran-ci-d

[dannyk13]

3d.Tie the knot
21d.Rancid

[Baldric]

16 unpicked
21 rancid

[Lie-in King]

2d Rearmost (last) - 're-arm' + '(h)ost' (army, heading off)
3d Tie the knot
7d Pitied - 'tie' (in) 'dip' (rising)
12a Doze - "does" (some deer, said)
16d Unpicked - double meaning
21d Rancid (high) - 'c(lubs)' (in) 'dinar' (currency, rising)

[red46]

Thanks everyone for your help, very grateful.

[Oldred]

3d tie the knot