unseasonable (adj.)
- anachronistic
- bad
- beforehand
- behindhand
- dated
- deplorable
- early
- futile
- ill-advised
- ill-chosen
- ill-considered
- ill-sorted
- ill-timed
- impolitic
- improper
- inadmissible
- inadvisable
- inapplicable
- inapposite
- inappropriate
- inapt
- inauspicious
- incongruous
- inconvenient
- inept
- inexpedient
- infelicitous
- inopportune
- intrusive
- irrelevant
- late
- maladjusted
- malapropos
- mismatched
- mismated
- misplaced
- overdue
- premature
- tardy
- unadapted
- unbecoming
- unbefitting
- undesirable
- undue
- unfavorable
- unfit
- unfitting
- unfortunate
- unhappy
- unlucky
- unprofitable
- unpropitious
- unpunctual
- unqualified
- unready
- unripe
- unseemly
- unsuitable
- unsuited
- untimely
- untoward
- unwise
- wrong
For to err in opinion, though it be not the part of wise men, is at least human.
