Word Forms of "frontier" (5 forms)

Noun

Form	Word
Plural	frontiers

Pluralfrontiers

Verb

Form	Word
Participle, Past	frontiered
Participle, Present	frontiering
Past	frontiered
Present, Singular, Third-Person	frontiers

Participle, Pastfrontiered

Participle, Presentfrontiering

Pastfrontiered

Present, Singular, Third-Personfrontiers

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.