| convenient |
| easy(adjective, happy, relaxed, indifferent, unsympathetic) |
| feckless(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| feelgood(adjective, happy, relaxed, cheerful, cheery) |
| forgetful(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| happy-go-lucky(adjective, happy, relaxed, cheerful, cheery) |
| hard-hearted(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| insensible(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| jovial(adjective, happy, relaxed, cheerful, happy-go-lucky) |
| lackadaisical(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| laid back(verb, expression, adjective, phrasal verb, happy) |
| lukewarm(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| negligent(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| neutral(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| nonchalant(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| oblivious(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| phlegmatic(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| radiant(adjective, happy, relaxed, cheerful, cheery) |
| relaxed(verb, adjective, indifferent, unsympathetic, inattentive) |
| secure(adjective, happy, relaxed, cheerful, cheery) |