This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To cut down; reduce.

v. To remove, delete, or omit.

verb-intransitive. To curtail expenses; economize.

v. To cut down or reduce something

v. To dig or redig a trench where one already was.

v. To take up a new defensive position (from military term retrenchment)

v. To cut off; to pare away.

v. To lessen; to abridge; to curtail.

v. To confine; to limit; to restrict.

v. To furnish with a retrenchment.

verb-intransitive. To cause or suffer retrenchment; specifically, to cut down living expenses.

To cut off; pare away; prune.

To deprive by cutting off; mutilate.

To cut down; reduce in size, number, extent, or amount; curtail; diminish; lessen.

To cut short; abridge.

To limit; restrict.

Milit.: To furnish with a retrenchment or retrenchments.

To intrench.

To make a reduction in quantity, amount, or extent; especially, to curtail expenses; economize.

To trench; encroach; make inroads.

v. make a reduction, as in one's workforce

v. tighten one's belt; use resources carefully

"The word retrench has appeared in 15 Times articles over the past year, including in a June 11, 2009 article"

retrenched    retrenches    retrenching   

cut down    cutback    trim down    bring down    trim back    cut    trim    reduce    conserve    economize   

diminish    abridge    curtail    lesen    lessen    confine    limit    restrict    remove    delete   

Bench    French    Hench    bench    clench    drench    entrench    french    hench    quench