| knee-jerk(adjective, natural, emotional, impulsive, unconscious) |
| uncontrolled(adjective, simple, reasonable, common, ordinary) |
| unmeditated(adjective, passionate, violent, natural, instinctive) |
| compulsory(adjective, affected, strained, unwilling, unnatural) |
| intuitive(adjective, reasonable, violent, natural, instinctive) |
| obligatory(adjective, affected, strained, unwilling, unnatural) |
| reluctant(adjective, unenthusiastic, forced, averse, unwilling) |
| unlearned(adjective, natural, instinctive, automatic, reflex) |
| immediate(noun, adjective, spontaneous, instinctive, intuitive) |
| unintended(adjective, ignorant, hidden, unconscious, oblivious) |
| visceral(adjective, natural, emotional, instinctive, automatic) |
| accustomed(adjective, ordinary, normal, instinctive, automatic) |
| blind(adjective, necessity, unwilling, obligatory, automatic) |
| congenital(adjective, reasonable, ordinary, instinctive, automatic) |
| inadvertent(adjective, ignorant, hidden, unconscious, unknowing) |
| inborn(adjective, reasonable, ordinary, instinctive, automatic) |
| ingrained(adjective, natural, instinctive, automatic, reflex) |
| intrinsic(adjective, natural, instinctive, automatic, reflex) |
| intuitional(adjective, natural, instinctive, automatic, reflex) |
| mandatory(adjective, affected, necessary, strained, unnatural) |