1.  aside(n = noun.communication) - a line spoken by an actor to the audience but not intended for others on the stage;
is a kind of actor's line, speech, words

2.  aside(n = noun.communication) digression, divagation, excursus, parenthesis - a message that departs from the main subject;
is a kind of content, message, subject matter, substance

1.  aside(r = adv.all) - on or to one side; "step aside"; "stood aside to let him pass"; "threw the book aside"; "put her sewing aside when he entered"

2.  aside(r = adv.all) away - out of the way (especially away from one's thoughts); "brush the objections aside"; "pushed all doubts away"

3.  aside(r = adv.all) apart - not taken into account or excluded from consideration; "these problems apart, the country is doing well"; "all joking aside, I think you're crazy"

4.  aside(r = adv.all) away - in a different direction; "turn aside"; "turn away one's face"; "glanced away"

5.  aside(r = adv.all) apart - placed or kept separate and distinct as for a purpose; "had a feeling of being set apart"; "quality sets it apart"; "a day set aside for relaxing"

6.  aside(r = adv.all) away, by - in reserve; not for immediate use; "started setting aside money to buy a car"; "put something by for her old age"; "has a nest egg tucked away for a rainy day"

1.  On, or to, one side; out of a straight line, course, or direction; at a little distance from the rest; out of the way; apart. [1913 Webster]
"Thou shalt set aside that which is full." [1913 Webster]
"But soft! but soft! aside: here comes the king." [1913 Webster]
"The flames were blown aside." [1913 Webster]

2.  Out of one's thoughts; off; away; as, to put aside gloomy thoughts. Heb. xii. 1. [1913 Webster]

3.  So as to be heard by others; privately. [1913 Webster]
"Then lords and ladies spake aside." [1913 Webster]

   Something spoken aside; as, a remark made by a stageplayer which the other players are not supposed to hear. [1913 Webster]

aside, adv. & n.
--adv.
1 to or on one side; away.
2 out of consideration (placed after noun : joking aside).
--n.
1 words spoken in a play for the audience to hear, but supposed not to be heard by the other characters.
2 an incidental remark.

Idiom:
aside from US apart from. set aside
1 put to one side.
2 keep for a special purpose or future use.
3 reject or disregard.
4 annul.
5 remove (land) from agricultural production for fallow, forestry, or other use. take aside engage (a person) esp. for a private conversation.

Etymology:
orig. on side: see A(2)

N  soliloquy, monologue, apostrophe, monology, soliloquizing, aside, Written Language.

N  laterality, side, flank, quarter, lee, hand, cheek, jowl, jole, wing, profile, temple, parietes, loin, haunch, hip, beam, gable, gable end, broadside, lee side, points of the compass, East, Orient, Levant, West, orientation, lateral, sidelong, collateral, parietal, flanking, skirting, flanked, sideling, many sided, multilateral, bilateral, trilateral, quadrilateral, Eastern, orient, oriental, Levantine, Western, occidental, Hesperian, sideways, sidelong, broadside on, on one side, abreast, alongside, beside, aside, by the side of, side by side, cheek by jowl, to windward, to leeward, laterally, right and left, on her beam ends, his cheek the may of days outworn.

N  faintness, faint sound, whisper, breath, undertone, underbreath, murmur, hum, susurration, tinkle, still small voice, hoarseness, raucity, inaudible, scarcely audible, just audible, low, dull, stifled, muffled, hoarse, husky, gentle, soft, faint, floating, purling, flowing, whispered, liquid, soothing, dulcet, susurrant, susurrous, in a whisper, with bated breath, sotto voce, between the teeth, aside, piano, pianissimo, d la sourdine, out of earshot inaudibly, (ii) SPECIFIC SOUNDS.

N  concealment, hiding, occultation, mystification, seal of secrecy, screen, disguise, masquerade, masked battery, hiding place, cryptography, steganography, freemasonry, stealth, stealthiness, sneakiness, obreption, slyness, latitancy, latitation, seclusion, privacy, secrecy, secretness, incognita, reticence, reserve, mental reserve, reservation, arriere pensee, suppression, evasion, white lie, misprision, silence, suppression of truth, underhand dealing, closeness, secretiveness, mystery, latency, snake in the grass, secret, stowaway, concealed, hidden, secret, recondite, mystic, cabalistic, occult, dark, cryptic, cryptical, private, privy, in petto, auricular, clandestine, close, inviolate, tortuous, behind a screen, undercover, under an eclipse, in ambush, in hiding, in disguise, in a cloud, in a fog, in a mist, in a haze, in a dark corner, in the shade, in the dark, clouded, wrapped in clouds, wrapt in clouds, invisible, buried, underground, perdu, secluded, undisclosed &c, untold, covert, untraceable, mysterious, irrevealable, inviolable, confidential, esoteric, not to be spoken of, unmentionable, obreptitious, furtive, stealthy, feline, skulking, surreptitious, underhand, hole and corner, sly, secretive, evasive, reserved, reticent, uncommunicative, buttoned up, close, close as wax, taciturn, secretly, in secret, in private, in one's sleeve, in holes and corners, in the dark, januis clausis, with closed doors, a huis clos, hugger mugger, a la derobee, under the cloak of, under the rose, under the table, sub rosa, en tapinois, in the background, aside, on the sly, with bated breath, sotto voce, in a whisper, without beat of drum, a la sourdine, behind the veil, beyond mortal ken, beyond the grave, beyond the veil, hid from mortal vision, into the eternal secret, into the realms supersensible, into the supreme mystery, in confidence, in strict confidence, in strictest confidence, confidentially, between ourselves, between you and me, between you and me and the bedpost, entre nous, inter nos, under the seal of secrecy, a couvert, underhand, by stealth, like a thief in the night, stealthily, behind the scenes, behind the curtain, behind one's back, behind a screen, incognito, in camera, it must go no further, it will go no further, don't tell a soul, tell it not in Gath, nobody the wiser, alitur vitium vivitque tegendo, let it be tenable in your silence still, background information, deep background information, deep background, background session, backgrounder, not for attribution.

aside from, brush aside, cast aside, lay aside, push aside, put aside, set aside, stand aside, step aside, take aside, thrust aside, turn aside