since
preposition
[ sɪns ]
• in the intervening period between (the time mentioned) and the time under consideration, typically the present.
• "she hasn't spoken to him since last year"
since
conjunction
• from a time in the past until the time under consideration, typically the present.
• "I've felt better since I've been here"
• for the reason that; because.
• "delegates were delighted, since better protection of rhino reserves will help protect other rare species"
since
adverb
• between then and now.
• "she ran away on Friday and we haven't seen her since"
• ago.
• "the settlement had vanished long since"
Origin:
late Middle English: contraction of obsolete sithence, or from dialect sin (both from dialect sithen ‘thereupon, afterwards, ever since’).
ever since
• throughout the period since.
• "she had lived alone ever since her husband died"
