Felicitous vs. Infelicitous — What's the Difference?

Admirably suited; apt

Inappropriate; ill-chosen

Exhibiting an agreeably appropriate manner or style

Causing unhappiness; unfortunate

Marked by happiness or good fortune

Unhappy or unfortunate.

Characterized by felicity.

Inappropriate or awkward; not well said, expressed, or done.

Appropriate, apt, fitting.

(linguistics) Of a sentence or utterance: not semantically and pragmatically coherent.

Auspicious, fortunate, lucky.

Not felicitous; unhappy; unfortunate; not fortunate or appropriate in application; not well said, expressed, or done; as, an infelicitous condition; an infelicitous remark; an infelicitous description; infelicitous words.

Causing happiness or pleasure.

Not appropriate in application; defective;

(linguistics) Of a sentence or utterance: semantically and pragmatically coherent; fitting in the context.

Marked by or producing unhappiness;

Characterized by felicity; happy; prosperous; delightful; skillful; successful; happily applied or expressed; appropriate.

Exhibiting an agreeably appropriate manner or style;

Marked by good fortune;