unbrace
[verb]
Synonyms: weaken, attenuate, blunt, cripple, debilitate, disable, enfeeble, sap, undermine, unstrengthen

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Antonyms: brace, reinforce

[TahlilGaran] English Synonym Dictionary ▲

unbrace verb. [ʌn'breɪs] LME.
[from UN-² + BRACE verb¹.]
1. verb intrans. & refl. Undo the braces or fastenings of one's clothing or armour. Long rare or obsolete. LME.

2. verb trans. Carve (a duck). obsolete exc. Hist. LME.

3. verb trans.
a. Loosen or undo (a band, clasp, etc.). Chiefly poet. Long rare. LME.
b. Remove a brace or fastening from; loosen or set free by this action; fig. free from tension or restraint, relax. L16.

4. verb intrans. Become loose or lax. L17.

[TahlilGaran] English Dictionary ▲