Otherwise or as an alternative.

(idiomatic) No matter what (implies an unspecified threat).

Punctual or according to schedule.

Punctually or according to the schedule. / By installments, payments over a period of time. / (chess) By a player's running out of time.

(idiomatic) To shy away from a daring task; to decline, refuse, or avoid something due to fear or uncertainty.

(idiomatic) To watch and pay attention to, in case of misbehaviour or mishap.

(transitive, idiomatic) To persist or continue. / (intransitive, idiomatic) To persist in talking about a subject to the annoyance of the listener.

(idiomatic) To feel overwhelming sorrow, jealousy, or longing; to grieve.

Remote or secluded. / Unusual or out of the ordinary. / Unusually or excessively. / Improper or offensive. / (idiomatic) Not obstructing or hindering; not in the way. / (idiomatic) Taken care of.

Of a thing, outdated or no longer in vogue. / Of a person, preferring the customs of earlier times.