All casual synonyms

adj casual

• occasional — occurring or appearing at irregular or infrequent intervals; occurring now and then: an occasional headache.
• spontaneous — coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause.
• offhand — cavalierly, curtly, or brusquely: to reply offhand.
• easygoing — going easily, as a horse.
• informal — without formality or ceremony; casual: an informal visit.
• homey — comfortably informal and inviting; cozy; homelike: a homey little inn.
• folksy — friendly or neighborly; sociable.
• laid-back — relaxed or unhurried: laid-back music rhythms.
• mellow — soft, sweet, and full-flavored from ripeness, as fruit.
• cursory — A cursory glance or examination is a brief one in which you do not pay much attention to detail.
• cool — Something that is cool has a temperature which is low but not very low.
• accidental — An accidental event happens by chance or as the result of an accident, and is not deliberately intended.
• adventitious — added or appearing accidentally or unexpectedly
• by chance — Something that happens by chance was not planned by anyone.
• contingent — A contingent of police, soldiers, or military vehicles is a group of them.
• fluky — obtained by chance rather than skill.
• fortuitous — happening or produced by chance; accidental: a fortuitous encounter.
• impromptu — made or done without previous preparation: an impromptu address to the unexpected crowds.
• improvised — made or said without previous preparation: an improvised skit.
• impulsive — actuated or swayed by emotional or involuntary impulses: an impulsive child.
• incidental — happening or likely to happen in an unplanned or subordinate conjunction with something else.
• infrequent — happening or occurring at long intervals or rarely: infrequent visits.
• irregular — without symmetry, even shape, formal arrangement, etc.: an irregular pattern.
• odd — differing in nature from what is ordinary, usual, or expected: an odd choice.
• uncertain — not definitely ascertainable or fixed, as in time of occurrence, number, dimensions, or quality.
• unexpected — not expected; unforeseen; surprising: an unexpected pleasure; an unexpected development.
• unforeseen — to have prescience of; to know in advance; foreknow.
• unintentional — not intentional or deliberate: an unintentional omission from the list.
• unplanned — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
• unpremeditated — done deliberately; planned in advance: a premeditated murder.
• serendipitous — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
• aloof — Someone who is aloof is not very friendly and does not like to spend time with other people.
• apathetic — If you describe someone as apathetic, you are criticizing them because they do not seem to be interested in or enthusiastic about doing anything.
• blase — If you describe someone as blasé, you mean that they are not easily impressed, excited, or worried by things, usually because they have seen or experienced them before.
• breezy — If you describe someone as breezy, you mean that they behave in a casual, cheerful, and confident manner.
• detached — Someone who is detached is not personally involved in something or has no emotional interest in it.
• indifferent — without interest or concern; not caring; apathetic: his indifferent attitude toward the suffering of others.
• insouciant — free from concern, worry, or anxiety; carefree; nonchalant.
• lackadaisical — without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
• loose — free or released from fastening or attachment: a loose end.
• perfunctory — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
• purposeless — having no purpose or apparent meaning.
• remote — far apart; far distant in space; situated at some distance away: the remote jungles of Brazil.
• unconcerned — not involved or interested; disinterested.
• uninterested — having or showing no feeling of interest; indifferent.
• withdrawn — past participle of withdraw.
• incurious — not curious; not inquisitive or observant; inattentive; indifferent.
• down home — of, relating to, or exhibiting the simple, familiar, or folksy qualities associated with one's family or with rural areas, especially of the southern U.S.: down-home cooking; down-home hospitality.
• low-pressure — having or involving a low or below-normal pressure, as steam or water.
• pococurante — a careless or indifferent person.