attachment

1 a feeling of strong or constant regard for and dedication to someone I doubt that there's any permanent attachment between the two teenagers Synonyms affection, love, devotedness, devotion, fondness, passionRelated Words appetite, fancy, favor, like, liking, partiality, preference, relish, taste; craving, crush, desire, infatuation, longing, lust, yearning; ardor, eagerness, enthusiasm, fervor, zeal; appreciation, esteem, estimation, regard, respect; adoration, adulation, deification, idolatry, idolization, worship; allegiance, faithfulness, fealty, fidelity, loyalty, steadfastnessNear Antonyms allergy, animosity, antagonism, antipathy, aversion, disfavor, dislike, enmity, hostility; abhorrence, disgust, repugnance, repulsion, revulsion; misanthropyAntonyms abomination, hate, hatred, loathing, rancor

2 something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment bought a grinder attachment for the kitchen mixer Synonyms accoutrement (or accouterment), adapter (also adaptor), add-on, adjunct, appendage, appliance, accessory, optionRelated Words accompaniment, additive, complement, supplement; auxiliary, subsidiary; amenity, doodad, embroidery, extra, filler, frill, incidental, luxury, nonessential, nonnecessity; appurtenances, bells and whistles, equipment, furnishings, habiliment(s), paraphernalia, trappings; adornment, decoration, embellishment, enhancement, garnish, ornament, trim, trimmingNear Antonyms essential, necessity, requirement, requisite

3 adherence to something to which one is bound by a pledge or duty an unflinching attachment to the marriage, through times both good and bad Synonyms adhesion, allegiance, fidelity, commitment, constancy, dedication, devotedness, devotion, faith, faithfulness, fastness, fealty, loyalty, piety, steadfastness, trothRelated Words affection, fondness; determination, firmness, resolution; dependability, reliability, trustability, trustiness, trustworthinessNear Antonyms alienation, disaffection, estrangement, separationAntonyms disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, treachery, unfaithfulness