Impromptu and Unpremeditatedly

Impromptu adjective - Made or done without previous thought or preparation.

Unpremeditatedly and impromptu are semantically related. In some cases you can replace term "Unpremeditatedly" with "Impromptu", this adjectives are similar.

Impromptu and unpremeditatedly are semantically related. Sometimes you can replace term "Impromptu" with "Unpremeditatedly", this adverbs are similar.