(a) To open a door or gate by unlocking it; open (a door, gate, window, etc.), unlock, unbar; uncover (a pit); unseal (a grave, tomb, etc.); also fig.; (b) to unlock (a lock, locked container) with a key, unfasten; also fig. [quot. a1500(c1410)]; also, break (a seal); open (a book, letter); untie (a pack, the mouth of a pack), loosen; (c) fig. & in fig. context, of Christ’s blood: to open (heaven, hell); of St. Peter: unlock (the kingdom of heaven for sb.).

To open the ears, hear [quot. a1400]; open (the mouth, eyes, etc.); also, open (someone’s lips, an animal’s mouth), cause to speak; free (sb., an animal) to speak; ~ herte, fig. and in fig. context: open (one’s) heart, speak out; open (one’s) heart (which is locked up by vice); also, open (someone’s) heart, i.e., make (sb.) receptive.

(a) To unfasten (sth.) by untying or unwrapping it; undo (fetters or bonds); also fig.; also, detach (Jesus’ body from the cross, the nails from Jesus’ hands and feet); (b) to unbind (sb., an animal), set loose, free; release (sb.) from paralysis; also, set (sb.) free (from sin), free (a sinner’s soul); hunt. ?unleash the hounds on the quarry [last quot.; may be an intrans. use of sense 4.(a) or (c)]; (c) to lay out (goods or wares), display; unfold (a tent), unfurl (a banner); lay open (a fold of a garment); also, unravel (one’s handiwork); (d) to undress, disrobe [last quot.]; uncover (one’s head), bare (one’s breast); ?unwrap (sth.) from its coverings [1st quot.]; (e) to unleash (floodwaters, the force of waters), loose; (f) of the earth, the heavens: to break open, part; of the air: part, open up, become thin, dissipate; (g) anat. of a joint: to loosen, stretch, expand.

(a) To undo (an act, a deed, work, etc.), negate; (b) to go back on (an agreement, a covenant, etc.), break; also, revoke (a law, privilege, testament, etc.), nullify, invalidate; cancel (a command); dissolve (a marriage), annul (a consecration); ppl. undone, of a portion of an imposed penance: remitted, excused [last quot.]; (c) to leave (sth.) unfinished or unaccomplished, leave undone, leave unfulfilled; leven undone.

(a) To bring (sb.) to ruin, destroy; also, attack (sb.) violently; slay (sb.), kill; refl. be ruined; ~ of lif and lim, to deprive (sb.) of life and limb, put to death; ?also (perhaps erroneously), to be so deprived; (b) to destroy (sth., an object, a structure) physically, take apart, ruin; cut through (rings of chain mail); also, make (the hands) feeble, weaken; damage (the fertility of a field); (c) to bring about the disintegration or demise of (a kingdom), undermine, bring to ruin; bring (sth.) to an end; ruin (one’s good name or honor).

To reverse (a spell); put an end to (a war, plague), bring to a halt; also, remove (sin, error), take away; dispel (sadness, etc.); also, remove (a plague from sb.) [quot. a1325, 2nd].

(a) To relate (a tale), tell; describe (sth.), express in words; also, reveal (the Law, the Ten Commandments); disclose (a secret, hidden information, etc.); (b) to explain (sth.), explicate; explain (sth. to sb.); also, interpret (the gospel, Scripture, writing, etc.), expound on; ~ with, illustrate (texts) with (examples); (c) to interpret (a dream, vision, etc.), reveal (the significance of a dream); also, reveal (the meaning of a dream, marvel, etc. to sb.); (d) to translate (spoken language), interpret into another tongue; also, render (sth. into common speech); ~ in (on, upon), translate (sth.) into (a specified language).

To separate (persons, the heart and God), detach from one another, set asunder.

(a) To cut open (a fowl, fish); hunt. dismember (a carcass), carve up in a prescribed way; of a lion: ?rend (its slain prey), tear apart; (b) med. & surg. to lance (an abscess, a sore), open (a wound); undo (stitches); also, cut open (a dead body); pierce (the skin), open (a vein), cut.

In misc. senses: (a) to break up (a lump or clump of meal); (b) to trace out (the track of a hare), track over; (c) to conceal (one’s movements), hide; (d) refl. of animal feces: to be of a liquid or semi-liquid consistency, be loose; ppl. undoinge, med. increasing the volume of urine, diueretic; (e) in phrase: undoinge awei, ?insufferable, unbearable [transl. of L intollerabilis].