Definify.com
Definition 2025
ionsaitheach
ionsaitheach
Irish
Adjective
ionsaitheach
- attacking, aggressive
- (optics) incident
Declension
Declension of ionsaitheach
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) | 
| Nominative | ionsaitheach | ionsaitheach¹ | ionsaitheacha³ | |
| Vocative | ionsaithigh¹ | ionsaitheach¹ | ionsaitheacha | |
| Genitive | ionsaithigh¹ | ionsaithí (obsolete) ionsaithighe | ionsaitheacha | ionsaitheach | 
| Dative | ionsaitheach² | ionsaitheach¹ (archaic) ionsaithigh¹ | ionsaitheacha³ | |
| Comparative | ionsaithí (obsolete) ionsaithighe | |||
¹ This form is lenited after a noun if possible.
² This form is lenited if possible when the preceding noun is lenited and governed by the definite article.
³ This form is lenited if possible when the preceding noun ends in a slender consonant.
Related terms
- (attacking, aggressive): ionsaitheoir
- (optics): ionsaitheacht
Mutation
| Irish mutation | |||
|---|---|---|---|
| Radical | Eclipsis | with h-prothesis | with t-prothesis | 
| ionsaitheach | n-ionsaitheach | hionsaitheach | t-ionsaitheach | 
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | |||