Used before different, before comparatives with more and less, and idiomatically before other comparatives.
not
Used idiomatically before certain other adjectives.
Not any.
Hardly any.
Not (a); not properly, not really; not fully.
Not any possibility or allowance of (doing something).
Used to show disagreement, negation, denial, refusal, or prohibition.
Used together with an affirmative word or phrase to show agreement.
Used to show agreement with a negative question.
not, does not, do not, etc.
without
like
a negating expression; an answer that shows disagreement, denial, refusal, or disapproval
a vote not in favor, or opposing a proposition
vehement rejection of truthfulness
disgust
mild disapproval
Differently from the immediate past; differently from a more remote past or a possible future; differently from all other times.
Used to indicate a context of urgency.
Sometimes; occasionally.
Used to address a switching side, or sharp change in attitude from before. (In this usage, now is usually emphasized).
At the present time.
Used to introduce a point, a qualification of what has previously been said, a remonstration or a rebuke.
At the time reached within a narration.
Since, because, in light of the fact; often with that.
Fashionable; popular; up to date; current.
Present; current.
Indicates a signal to begin.
The state of not paying attention to the future or the past.
The present time.
A particular instant in time, as perceived at that instant.