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To menstruate in Irish (míostraigh): Meaning, Conjugation, Examples

The Irish for to menstruate is míostraigh; ag míostrú is menstruating.
Updated October 2026Report a mistake

How to say “to menstruate” in Irish

Irish:
míostraigh
English:
to menstruate
Word type:
verb, second-conjugation
Verbal noun:
míostrú (ag míostrú, menstruating)
Verbal adjective:
míostraithe
Pronunciation:
“MEES-tree”  /ˈmʲiːsˠt̪ˠɾˠə/

What does “míostraigh” mean?

to menstruate
To have a monthly period, when blood flows from the womb.Also: have a period, have periods.

“Míostraigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Mhíostraigh méI menstruatedNíor mhíostraigh méI did not menstruateAr mhíostraigh mé?Did I menstruate?
tú (you)Mhíostraigh túYou menstruatedNíor mhíostraigh túYou did not menstruateAr mhíostraigh tú?Did you menstruate?
sé / sí (he / she)Mhíostraigh sé / síHe menstruatedNíor mhíostraigh sé / síHe did not menstruateAr mhíostraigh sé / sí?Did he menstruate?
sinn (we)MhíostraíomarWe menstruatedNíor mhíostraíomarWe did not menstruateAr mhíostraíomar?Did we menstruate?
sibh (you, plural)Mhíostraigh sibhYou menstruatedNíor mhíostraigh sibhYou did not menstruateAr mhíostraigh sibh?Did you menstruate?
siad (they)Mhíostraigh siadThey menstruatedNíor mhíostraigh siadThey did not menstruateAr mhíostraigh siad?Did they menstruate?
saorbhriathar (autonomous)MíostraíodhNíor míostraíodhAr míostraíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)MíostraímI menstruateNí mhíostraímI do not menstruateAn míostraím?Do I menstruate?
tú (you)Míostraíonn túYou menstruateNí mhíostraíonn túYou do not menstruateAn míostraíonn tú?Do you menstruate?
sé / sí (he / she)Míostraíonn sé / síHe menstruatesNí mhíostraíonn sé / síHe does not menstruateAn míostraíonn sé / sí?Does he menstruate?
sinn (we)MíostraímidWe menstruateNí mhíostraímidWe do not menstruateAn míostraímid?Do we menstruate?
sibh (you, plural)Míostraíonn sibhYou menstruateNí mhíostraíonn sibhYou do not menstruateAn míostraíonn sibh?Do you menstruate?
siad (they)Míostraíonn siadThey menstruateNí mhíostraíonn siadThey do not menstruateAn míostraíonn siad?Do they menstruate?
saorbhriathar (autonomous)MíostraítearNí mhíostraítearAn míostraítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Míostróidh méI will menstruateNí mhíostróidh méI will not menstruateAn míostróidh mé?Will I menstruate?
tú (you)Míostróidh túYou will menstruateNí mhíostróidh túYou will not menstruateAn míostróidh tú?Will you menstruate?
sé / sí (he / she)Míostróidh sé / síHe will menstruateNí mhíostróidh sé / síHe will not menstruateAn míostróidh sé / sí?Will he menstruate?
sinn (we)MíostróimidWe will menstruateNí mhíostróimidWe will not menstruateAn míostróimid?Will we menstruate?
sibh (you, plural)Míostróidh sibhYou will menstruateNí mhíostróidh sibhYou will not menstruateAn míostróidh sibh?Will you menstruate?
siad (they)Míostróidh siadThey will menstruateNí mhíostróidh siadThey will not menstruateAn míostróidh siad?Will they menstruate?
saorbhriathar (autonomous)MíostrófarNí mhíostrófarAn míostrófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)MhíostróinnI would menstruateNí mhíostróinnI would not menstruateAn míostróinn?Would I menstruate?
tú (you)MhíostrófáYou would menstruateNí mhíostrófáYou would not menstruateAn míostrófá?Would you menstruate?
sé / sí (he / she)Mhíostródh sé / síHe would menstruateNí mhíostródh sé / síHe would not menstruateAn míostródh sé / sí?Would he menstruate?
sinn (we)MhíostróimisWe would menstruateNí mhíostróimisWe would not menstruateAn míostróimis?Would we menstruate?
sibh (you, plural)Mhíostródh sibhYou would menstruateNí mhíostródh sibhYou would not menstruateAn míostródh sibh?Would you menstruate?
siad (they)MhíostróidísThey would menstruateNí mhíostróidísThey would not menstruateAn míostróidís?Would they menstruate?
saorbhriathar (autonomous)MhíostrófaíNí mhíostrófaíAn míostrófaí?

“Míostraigh” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

Mhíostraigh sí den chéad uair nuair a bhí sí dhá bhliain déag.
She menstruated for the first time when she was twelve.
Míostraíonn mná uair sa mhí de ghnáth.
Women usually menstruate once a month.
Míostróidh sí arís i gceann coicíse.
She will menstruate again in a fortnight.
Mhíostródh sí go rialta murach an strus.
She would menstruate regularly if it weren't for the stress.
Níor mhíostraigh sí le trí mhí anuas.
She hasn't menstruated for the last three months.
Ar mhíostraigh tú an mhí seo?
Did you have your period this month?

Other verbs in Irish

More everyday Irish verbs to learn next.

To menstruate in Irish: frequently asked questions

What is the Irish for to menstruate?

The Irish for to menstruate is míostraigh (pronounced “MEES-tree”). It is a second-conjugation verb; the verbal noun is míostrú.

What is the verbal noun of míostraigh?

The verbal noun of míostraigh is míostrú, used after ag for the continuous: ag míostrú (menstruating). The verbal adjective is míostraithe.

How do you say míostraigh in the past and the future?

Past: Mhíostraigh mé; negative Níor mhíostraigh mé; question Ar mhíostraigh mé?. Future: Míostróidh mé; negative Ní mhíostróidh mé; question An míostróidh mé?.

What is the modh coinníollach of míostraigh?

The conditional (modh coinníollach) first person is Mhíostróinn (I would menstruate); negative Ní mhíostróinn; question An míostróinn?.

Is 'míostraigh' the usual way to talk about having a period?

It is the formal, medical word; in everyday speech people more often say 'bhí mo mhíostrú orm' or refer to 'an tréimhse' or 'an míostrú'.

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